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Lock-Washer.

Description: Patent for "an improved lock washer especially adapted for locking nuts" (lines 10-11) that was designed to "be interposed between the nut and a member to be clamped by the nut" (lines 14-16).
Date: June 8, 1920
Creator: Medbery, Clinton A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Locomotive-Pilot Coupling

Description: Patent for new and useful improvements in locomotive-pilot couplings (lines 5-6), including illustrations and instructions.
Date: February 8, 1900
Creator: Butcher, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sliding-Door Latch.

Description: Patent for "a latch applicable to the sliding doors of common carriers, dwellings, and the like" (lines 10-12), to keep sliding doors shut. Illustrations included.
Date: July 8, 1913
Creator: Merritt, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Nut-Lock.

Description: Patent for a nut lock for railroad tracks, which will prevent rail bolts from unscrewing.
Date: June 8, 1909
Creator: Mills, Thomas M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mold and Mold Hoisting Apparatus for Building Concrete Walls.

Description: Patent for a new and improved concrete-raising apparatus. This design "consists in a mold in which a course of a wall can be formed, and in devices for raising the mold in the formation of another course. The invention also consists in details of construction and combination of parts" (lines 12-17).
Date: July 8, 1884
Creator: Carrico, Thomas Willson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Nail.

Description: Patent for a nail with a spike attached to it.
Date: November 8, 1910
Creator: Hansen, Christian
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for an improved plow that consists of a plow beam, a horizontal shoulder and a loop in its front, a clamp that adjusts the loop, a screw in the clamp and the vertical bar, and draft appliances. It is especially designed to easily connect to the animal that is drawing it.
Date: August 8, 1893
Creator: Blunck, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Motor-Cycle Frame.

Description: Patent for a motorcycle frame, which has a spring frame to reduce shocks while riding the motorcycle.
Date: February 8, 1910
Creator: Huser, Carl L. W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolley-Wire Crossing.

Description: Patent for "means of which trolley-wires may be made to cross each other without contact and at the same time admit of the passage of trolley-wheels over each of the cross-lines." (Lines 11-15) Includes instructions and illustrations.
Date: September 8, 1896
Creator: Handshy, Henry Milton
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railway Car.

Description: Patent for improvements in railway car design to protect passengers against train robberies by a combination of "several walls of the compartment and doors connected therewith bullet-proof lining, and in providing several walls and doors, each with a series of port-holes" (lines 27-31) from which occupants can fire weapons in defense with accompanying illustrations.
Date: January 8, 1889
Creator: Warren, Gerald Patrick
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Safety-Razor-Blade Sharpener.

Description: Patent for a safety razor blade sharpener with an improved arrangement of the metal grinding elements and a novel blade holder that can hold various types of blades and sharpen both sides, including illustrations.
Date: May 8, 1917
Creator: Hauser, Peter D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cycle-Frame.

Description: Patent for a bicycle frame meant to cushion the rider from impact by stabilizing the vehicle's frame.
Date: December 8, 1914
Creator: White, Edward Young
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hand-Car.

Description: Patent for an improvement on the construction of the driving mechanism and brake on hand-cars.
Date: September 8, 1896
Creator: Small, Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Guard-Rail.

Description: Patent for guard rails for use in connection with frogs or switches, including illustrations.
Date: May 8, 1900
Creator: Murphy, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hoeing Machine.

Description: Patent for a new and improved hoeing machine. This design is "first, to provide a joint between the handle and the gage-wheel, and to insure such arrangement of parts as will enable the operator, by raising and lowering one hand, to give the blade an oscillating motion or swing it from right to left with the greatest ease, and without tipping or turning the wheel or changing too much the position of the blade in respect to the surface of the ground; second, to provide a double gage-wheel that w… more
Date: November 8, 1887
Creator: Hurd, Judson B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Envelop.

Description: Patent for an improved safety envelope for use in mail order business where coins and money are transmitted.
Date: December 8, 1914
Creator: Utt, Allen
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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