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Process of Forming Tubes

Description: Patent for the process of making tubes, especially tubes for producing, fitting, and/or refitting "eye-glasses, spectacles, &c." (lines 11-12).
Date: April 19, 1921
Creator: Rees, Herbert C.
Partner: UNT Libraries Government Documents Department

Construction of Railroad-Beds.

Description: Patent for a railroad-bed design that is used to support railroad tracks.
Date: August 19, 1913
Creator: Alley, William W.
Partner: UNT Libraries Government Documents Department

Cleaning Mechanism for Tanks.

Description: Patent for Cleaning Mechanism for Tanks.
Date: May 19, 1903
Creator: Hogg, William B.
Partner: UNT Libraries Government Documents Department

Door.

Description: Patent for a door "that can be secured in either open or closed position either from the exterior or interior of the building on which the door is mounted" (lines 9-12) including instructions and illustrations.
Date: May 19, 1914
Creator: Niemann, Otto
Partner: UNT Libraries Government Documents Department

Explosive-Engine.

Description: Patent for "an improved engine of the internal combustion type, in which the explosion occurs between two oppositely moving pistons arranged in a cylinder and connected with independent crank shafts." (lines 13-17). The engine also includes a new type of valve gear with mechanically triggered valves and an apparatus for the forced water cooling of the engine.
Date: November 19, 1918
Creator: Cooper, Willis W.
Partner: UNT Libraries Government Documents Department

Stalk and Straw Chopper.

Description: Patent for "improvements to stalk, straw and weed choppers for attachment to plows" (lines 13-16) including instructions and illustrations.
Date: October 19, 1915
Creator: Gray, Wallace W. & Witzsche, Frank P.
Partner: UNT Libraries Government Documents Department

Preserved Wood and Process of Making Same

Description: Patent for a process for preserving wood by treating it with various anti-septic chemicals mixed with oil that stops the wood from decaying for a long time.
Date: November 19, 1912
Creator: Ellis, Carleton
Partner: UNT Libraries Government Documents Department

Peg for Violins.

Description: Patent for a new and improved violin peg. This design "has for its object to dispense with the usual string-aperture in the peg and to so construct the peg that a string may be expeditiously, conveniently, and securely attached thereto and as readily and conveniently removed therefrom, as desired, and to accomplish these objects without disfiguring the peg" (lines 11-18).
Date: April 19, 1892
Creator: Rowe, George H.
Partner: UNT Libraries Government Documents Department

Axle-Box.

Description: Patent for a simple, inexpensive, and durable wheel-axle box that is "adapted to contain a supply of lubricating material and constructed to feed the same continuously to the axle-spindle to prevent overheating, and furthermore, to provide means for preventing ingress of dust" (lines 9-14).
Date: November 19, 1895
Creator: Casto, Tony Lo
Partner: UNT Libraries Government Documents Department

Box Car Door Fastener and Spark Arrester.

Description: Patent for a new and improved box-car door fastener and spark arrester. This design consists in "the door, the screws extending therefrom, the strips having the inclined slots received on the screws, and provided with the projections, the lever pivoted on the screws outside the strip, stops on the lever to engage the projections, and means--such as cord--for locking the lever" (lines 4-11).
Date: October 19, 1886
Creator: Lynch, Hubbard Calhoun
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for wrench related device "for locking the gripping element after it is applied to the pipe or other pipe (lines 14-15)" including instructions and illustration.
Date: October 19, 1915
Creator: Black, Lee J.
Partner: UNT Libraries Government Documents Department

Nut and Bolt Lock

Description: Patent for a new nut and bolt lock design that is reliable and can lock permanently if needed, including illustrations.
Date: May 19, 1914
Creator: Ames, Ernest R.
Partner: UNT Libraries Government Documents Department

Self-Inflating Tire.

Description: Patent for an automatic, self-inflating tire which uses a valve that opens to allow air in and closes to prevent air from escaping, including illustrations.
Date: January 19, 1915
Creator: Fernandez, José
Partner: UNT Libraries Government Documents Department

Cultivator

Description: Letter of proposal from Warner E. Smith to the United Patent Office to put forth his invention on cultivator to improve the existing one. His invention on cultivator is for cleaning beds where the plants planted down deep in the ground. It is ideal for reeding the surface of the ground from weeds. With his proposal, Smith provided the diagram or drawing to give detail on how it is done.
Date: October 19, 1912
Creator: Smith, Warner E.
Partner: UNT Libraries Government Documents Department

Drag-Harrow.

Description: Patent for an improved drag harrow for plowing soil. "The primary objective of the invention is to provide a soil pulverizer in which a rotary grinding action is produced by the drawing of the apparatus across the soil" (lines 10-13).
Date: May 19, 1914
Creator: Kramer, Frank
Partner: UNT Libraries Government Documents Department

Axle-Box for Vehicles

Description: Patent for axle box for vehicles "in which after the axle and axle-boxes have been worm by use the lost motion can be taken up by interposing a tightening-washer and spring between the axle-box and nut, so the the axle-box of the wheel is restored to the same condition.(10-15)
Date: May 19, 1903
Creator: McFarland, Julian
Partner: UNT Libraries Government Documents Department

Electrically-Operated Latch and Door

Description: Patent for electrically operated latch and door " and particularly to a construction for primarily operating a latch to release the door, the movement of which latch establishes circuit through a door-opening mechanism.(lines 11-15)
Date: May 19, 1903
Creator: Chambers, Joseph, Jr.
Partner: UNT Libraries Government Documents Department

Bridle-Bit.

Description: Patent for a bridle bit that holds and manages vicious horses and that can be adjusted to also fit a calf or colt.
Date: December 19, 1911
Creator: Smith, John T.
Partner: UNT Libraries Government Documents Department

Artificial Leg.

Description: Patent for a new and improved artificial leg. This design "consists in certain improvements in the construction and arrangement of parts in artificial legs, so as to make them more durable, easier of repair, and more comfortable to the wearer" (lines 11-15).
Date: September 19, 1882
Creator: Wolf, Peter M.
Partner: UNT Libraries Government Documents Department

Ruling Blotter

Description: Patent for a ruling blotter. This invention provides "a blotting-pad having on one face a measure, a calandar, and spaces for advertising matter, and a straight-edge secured along its edge" (lines 9-13). Illustration included.
Date: September 19, 1905
Creator: Wood, John L.
Partner: UNT Libraries Government Documents Department

Dirigible Automobile-Lamp

Description: Patent for a new automobile lamp that turns in conjunction with the steering wheel and an apparatus that attaches to automobiles to cradle the head lamp and stop it from vibrating.
Date: May 19, 1914
Creator: Freeborn, Sidney Mills
Partner: UNT Libraries Government Documents Department

Beehive.

Description: Patent for improvements in beehives: "invention is to improve the construction of beehives and to provide a simple and efficient one, which will permit food to be readily supplied to the bees when desired and enable the apiarian to have him to cut bee entrances to the same." (lines 9-15).
Date: October 19, 1897
Creator: Tucker, John Q.
Partner: UNT Libraries Government Documents Department

Concrete Building Mold.

Description: Patent for Concrete Building Mold that is composed to be able to be detachable and reversible.
Date: April 19, 1921
Creator: Rossiter, Jay A
Partner: UNT Libraries Government Documents Department

Combination-Tool.

Description: Patent for a combination tool for pipe fitters and mechanics. The tool can be combined with a number of separate tools, including a die-stock and tap. The tool is foldable when not in used.
Date: December 19, 1911
Creator: Richardson, Charlie N.
Partner: UNT Libraries Government Documents Department
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