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Mail-Bag-Handling Apparatus.

Description: Patent for "a mail-bag handing apparatus, and more specifically [an] apparatus designed to practically simultaneously deliver and receive bags or pouches containing mail or other matter, to and from a moving train or body" (lines 9-14), including instructions and illustrations.
Date: November 18, 1913
Creator: Brunkenhoefer, Henry F.
Partner: UNT Libraries Government Documents Department

Window-Shade-Operation-Lever.

Description: Patent for an invention that provides a simple and relatively inexpensive means for operating window shades without involving a spring roller.
Date: March 18, 1919
Creator: Lee, William
Partner: UNT Libraries Government Documents Department

Machine for Cutting Stick-Candy.

Description: Patent for a simple and durable machine for cutting stick-candy that is "capable of traveling over a table or other support upon which stick candy in given lengths may be laid, and to so travel over the table that the lengthy sticks of candy will be made to slide over the bed of the machine, under a knife or its equivalent; and a further object of the invention is to provide a means whereby the knife may be manipulated at predetermined points in the travel of the machine to cut the lengthy stic… more
Date: December 18, 1894
Creator: Allardyce, John M.
Partner: UNT Libraries Government Documents Department

Insecticide Apparatus

Description: Patent for an insecticide apparatus. Illustration included.
Date: October 18, 1904
Creator: Berger, Otto
Partner: UNT Libraries Government Documents Department

Improvement in Tube-Expanders.

Description: Patent for improvements to tube expanders with springs rigidly secured at one end, detachable rolls, and the ability to fit tubes of different sizes.
Date: July 18, 1876
Creator: Rooney, Hugh L
Partner: UNT Libraries Government Documents Department

Propellor Pitchometer.

Description: Patent for instruments which measure the pitch of propeller blades.
Date: May 18, 1915
Creator: Frank, Lawrence
Partner: UNT Libraries Government Documents Department

Improvement in Bale-Band Tighteners.

Description: Patent for improving the operation of tightening baling-bands and saving the length of metal bands.
Date: September 18, 1877
Creator: Hodges, John C., Jr.
Partner: UNT Libraries Government Documents Department

Improvement in Bale-Ties.

Description: Patent for fastening iron or other bands on cotton-bales or packages that put up with iron bands, including illustrations.
Date: February 18, 1873
Creator: Quin, Michael
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Bale Ties.

Description: Patent for a secure cotton-bale tie which is "held securely in place on the hoop or band without depending therefor upon the elasticity of the bale" (lines 12-14), including illustrations.
Date: August 18, 1874
Creator: Davis, Waters S.
Partner: UNT Libraries Government Documents Department

Improvement in Grain-Driers.

Description: Patent for an improved grain-drier with design specifications and a description of the object's applications and usage, including illustrations.
Date: June 18, 1878
Creator: Henesee, Richard Tiernan
Partner: UNT Libraries Government Documents Department

Projectile for Fire-Escapes.

Description: Patent for a rope fire escape "in the form of a harpoon to which a chord or rope is attached, said device being projected from a gun or by any other means against the burning building with sufficient force to embed itself therein so that any suitable apparatus may be elevated to the building necessary for the escape of the inmates or so that the person or persons may descend by the rope attached to the harpoon" (lines 14-22).
Date: April 18, 1893
Creator: Martin, Johan
Partner: UNT Libraries Government Documents Department

Marine-Engine Governor.

Description: Patent for marine engine governor "designed to maintain uniformity of speed of the engine when the resistance to the propeller or propellers is varied" (lines 11-13), including illustrations and description of construction.
Date: August 18, 1903
Creator: Corneliussen, Ivar
Partner: UNT Libraries Government Documents Department

Supplemental Bed and Guide Attachment

Description: Patent for a supplemental bed and guide attachment. Illustration included.
Date: December 18, 1906
Creator: Heckel, Albert F.
Partner: UNT Libraries Government Documents Department

Packing for Piston-Rods.

Description: Patent for certain new and useful improvements in packing for piston rods and the like, including instructions and illustrations.
Date: April 18, 1899
Creator: Lewis, George Harris
Partner: UNT Libraries Government Documents Department

Time-Calculator.

Description: Patent for a machine that easily calculates the number of days within a given time span, up to one year, with illustrations.
Date: October 18, 1886
Creator: Wood, William
Partner: UNT Libraries Government Documents Department

Hinge Construction.

Description: Patent for a hinge so that doors hung by the use of the hinge will not slam or move casually into a closed position.
Date: June 18, 1918
Creator: Weaver, James J.
Partner: UNT Libraries Government Documents Department

Fire-Escape.

Description: Patent for a fire-escape that uses ropes and pulleys held up by brackets and attached to a window. A receptacle is at the end of the rope and is designed to lower people from the building to the ground.
Date: April 18, 1893
Creator: Martin, Johan
Partner: UNT Libraries Government Documents Department

Fire-Escape.

Description: Patent for a fire escape "with a cord or rope of suitable length which has at one end a weight to serve as a projectile to facilitate throwing the cord or rope to a person at any part of the burning building, after which the fire-escape or other device necessary for the purpose may be conveniently elevated to the window or other portion of the building where most needed for the rescue of person or property" (lines 14-22). It is adapted to assist firemen.
Date: April 18, 1893
Creator: Martin, Johan
Partner: UNT Libraries Government Documents Department

Self-Oiling Handsaw.

Description: Patent for invention of a handsaw which is an improvement of current version. This is simple, low cost and convenient handsaw and is operated easily without removing the grip.
Date: July 18, 1916
Creator: Pearson, Robert Bartley
Partner: UNT Libraries Government Documents Department

Road-Grading And Ditching Machine.

Description: Patent for a new and improved road grading and ditching machine, including instructions and illustrations.
Date: April 18, 1899
Creator: Cornett, James William
Partner: UNT Libraries Government Documents Department

Paper-Holder for Enlarging-Cameras.

Description: Patent for an improvement in holders attached to enlarging-cameras to hold the paper being exposed: "The object of the invention is to provide a simple and convenient form of paper-holder in which the paper may be readily inserted and removed and from which the light will be effectually excluded" (lines 15-19).
Date: February 18, 1902
Creator: Hutchings, George B.
Partner: UNT Libraries Government Documents Department

Electric Call or Signal Apparatus.

Description: Patent for a new and improved electric call or signal apparatus. This design consists in "a telegraph or telephone circuit, the combination, with a polarized electro-magnet and a short circuit around the same, which is closed when the magnet is transversed by a constant current of a given polarity, of a battery having the proper pole to line, a switch for connecting the line and battery circuits, and a telephone in the battery circuit, whereby the telegraph or telephone line may be tested" (lin… more
Date: October 18, 1887
Creator: Foster, George W.
Partner: UNT Libraries Government Documents Department

Device for Enlarging Negatives.

Description: Patent for a new or improved device to enlarge negatives; that is simple, portable, and ready to use, including illustrations.
Date: February 18, 1902
Creator: Hutchings, George B.
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for a new and useful acetylene gas generator, including instructions and illustrations.
Date: July 18, 1899
Creator: Eldridge, Hilliary & Blum, Sylvain
Partner: UNT Libraries Government Documents Department
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