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Method of Marking the Keys of Key-Boards for Musical Instruments

Description: Patent for "a system of musical notation in which the several notes or note-symbols are shaped so as to approximate in appearance the shape of the letters from which they derive their appellations" (lines 37-41) especially in relation to piano-fortes, organs, and keyed instruments and in teaching music, including instructions and illustrations.
Date: June 29, 1880
Creator: Black, Jane B. D.
Partner: UNT Libraries Government Documents Department

Improvement in Fence Posts.

Description: Patent for improvements in fence posts and has "for its primary object to provide a post which may be of extremely simple construction and operation and especially adapted for use in constructing wire fences" (lines 12-15) including instructions and illustrations.
Date: December 29, 1914
Creator: Conner, Elmer E.
Partner: UNT Libraries Government Documents Department

Toy

Description: Patent for a toy particularly adapted for the amusement of small children.
Date: May 29, 1914
Creator: Boyle, Frank J.
Partner: UNT Libraries Government Documents Department

Trademark Certificate: Helen Corbitt's

Description: Certificate registering a trade-mark for "Helen Corbitt's" written in stylized text, in force from 1951-1971. It includes the official certificate and the application text explaining how the mark has been used.
Date: May 29, 1951
Creator: Corbitt, Helen
Partner: University of Dallas

Wrench

Description: Patent for a wrench. The invention consists of a locking device to prevent the jaw from sliding. Illustration included.
Date: October 29, 1912
Creator: Fernandez, Pedro
Partner: UNT Libraries Government Documents Department

Wire-Stretcher.

Description: Patent for "an improved wire stretcher especially adapted for use in localities where trees or other stationary objects from which to pull are scarce" (lines 11-15).
Date: March 29, 1910
Creator: Carnes, John P.
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a new sliding jaw type wrench which enables objects to be clamped in the jaws of the wrench securely while leverage is used to rotate the head of a nut.
Date: July 29, 1913
Creator: McGill, Wisdom
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for improved construction and function of wrenches. Improvements include a more simple, durable, and inexpensive method of construction and arrangement of the adjustable jaw as to allow a single hand to hold and adjust the wrench simultaneously.
Date: July 29, 1913
Creator: Ashliman, Adolph E.
Partner: UNT Libraries Government Documents Department

World-Chronometer

Description: Patent for a globe set on top of a pedestal, where the globes rotates by clock work to instruct the user of the time for any given place on the globe. Sides of the pedestal also allow for advertising.
Date: December 29, 1914
Creator: Agnew, Walter F.
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a new and improved wrench with a "novel means for adjustably controlling the position of the movable jaw with respect to the stationary jaw" (lines 12-15), including illustrations.
Date: August 29, 1916
Creator: Parmer, Ernest W.
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for "removable-jaw wrenches which can be converted into a pipe or monkey wrench at will." (Lines 12-14) Includes instructions and illustrations.
Date: December 29, 1896
Creator: Ezzell, Fletcher
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a wrench that can be adjusted without the use of screws. Includes instructions and illustrations.
Date: June 29, 1897
Creator: Thomas, Theodore G.
Partner: UNT Libraries Government Documents Department

Wrecking-Frog.

Description: Patent for "an improved frog for use in placing derailed cars or locomotives upon the rails, exceedingly simple and durable in construction, and formed substantially in one piece - that is, not in sections - and having improved means to lock the frog to the rail." (Lines 17-22) Includes instructions and illustrations.
Date: March 29, 1892
Creator: Wilmore, William Henry
Partner: UNT Libraries Government Documents Department

Knee and Head Block for Saw Mills.

Description: Patent for a new and improved knee and head block. This design consists, "with a saw-mill carriage, of a head-block extending flush with the outer edges of the tracks of said carriage and provided with the usual groove or recess extending the entire length of said head-block, a knee sliding in said groove and provided on its front vertical edge with a recess, and a log-supporter fitting flush within said recess and provided at its lower end with a forwardly-extending lug or projection" (lines 3… more
Date: April 29, 1890
Creator: Willis, George F.
Partner: UNT Libraries Government Documents Department

Washing-Machine

Description: Patent for improvements to cylinder washing machines.
Date: April 29, 1890
Creator: Anderson, Henry C.
Partner: UNT Libraries Government Documents Department

Washing-Machine

Description: Patent for "certain new and useful Improvements in Washing-Machines" (lines 4-5) including instructions and illustrations.
Date: November 29, 1892
Creator: Wilson, Lucindia Jane
Partner: UNT Libraries Government Documents Department

Improvement in Windmills.

Description: Patent for the improvement of windmills, including illustrations.
Date: September 29, 1874
Creator: Symthe, Peyton.
Partner: UNT Libraries Government Documents Department

Jail Cells.

Description: Patent for new and improved jail cells. This design calls for cell walls constructed of vertical sections secured by through-bolts, tubular bars for the concealment of the through-bolts, wooden corner-posts and sill and head timbers, and outer and main walls lined with sheet-iron (with narrow windows lined with chilled cast-iron) (paras. 15-19).
Date: January 29, 1878
Creator: Thomas, John S.
Partner: UNT Libraries Government Documents Department

Ink Fountain for Printing Machines.

Description: Patent for a new and improved ink fountain for printing machines. This design consists in "[t]he combination of the shell-shaped frame having an inclined bottom, a hole in the lower part of the front end wall, and a socket provided with a thumb-screw, a vertical arm passing through the said socket and provided with a clamp at its lower end, a roller for distributing ink, journaled at the front of the shell and vertically adjustable therewith, and the removable reservoir having a gate, an inclin… more
Date: September 29, 1885
Creator: Bomar, Thomas E.
Partner: UNT Libraries Government Documents Department

Liquid-Indicator for Tanks.

Description: Patent for a liquid indicator to determine if the supply of oil has been depleted in the crank case of an automobile's internal combustion engine. Further purposes of this patent include the closing of an electrical circuit when the oil in the crank case becomes low in order to sound an audible noise that alerts the driver that more oil is needed. The patent intends to make the invention durable, easy to use, and inexpensive to manufacture.
Date: July 29, 1919
Creator: Pippin, William R.
Partner: UNT Libraries Government Documents Department

Internal Combustion Engine.

Description: Patent for a simplified internal combustion engine that is lighter and more efficient than previous models. It also features detachable and removable parts that will decrease time and cost of repairs, includes illustrations.
Date: July 29, 1919
Creator: Higbee, Charlie D.
Partner: UNT Libraries Government Documents Department

Machine for Cutting Basket Splints.

Description: Patent for a new machine for cutting basket splints. This design is for a large ring with grooves of varying depths to receive pieces of timber, whereupon a horse pulls a knife-tipped sweep along the perimeter of the ring, gradually turning the timber into splints for baskets. The machine can be conveniently disassembled and stored when not in use, and it is simple and easy enough for a unskilled laborer to assemble.
Date: March 29, 1881
Creator: Crow, Thomas
Partner: UNT Libraries Government Documents Department

Machine for Welding Tubes.

Description: Patent for a new and improved machine for welding tubes. This design "has relation to machines for welding flues; and it consists in the improved construction and combination of operative parts" (lines 22-25).
Date: August 29, 1882
Creator: Charlton, James
Partner: UNT Libraries Government Documents Department

Windmill.

Description: Patent for improvements to windmills.
Date: April 29, 1884
Creator: Witherspoon, Frank
Partner: UNT Libraries Government Documents Department
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