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Bicycle Lock

Description: Patent for a bicycle lock. Illustration included.
Date: December 25, 1906
Creator: Hayford, Samuel & Hayford, Kirby
Partner: UNT Libraries Government Documents Department

Drying Kiln

Description: Patent for a kiln to be used as a drying chamber for drying and curing of lumber. Illustrations included.
Date: May 21, 1907
Creator: Stephens, William E.
Partner: UNT Libraries Government Documents Department

Improvement in Windmills.

Description: Patent for a "self-regulating windmill, so arranged that it will automatically exclude the wind from the wheel during storms and irregular or sudden squalls of wind, while it will equally enlarge the opening through which the wind is admitted to the wheel, whenever the power of the wind is reduced." (Lines 14-20) Includes instructions and illustrations.
Date: December 2, 1873
Creator: Davie, John P. & Morgan, Asa
Partner: UNT Libraries Government Documents Department

Spark-Producing Mechanism for Explosive-Engines.

Description: Patent for a spark producing mechanism for explosive engines, which serves as a starter for the engine when the vehicle is first turned on.
Date: June 4, 1907
Creator: Stamps, Lorenzo Dan
Partner: UNT Libraries Government Documents Department

Foot-Rest

Description: Patent for improvements in foot rests. This particular foot rest was designed to better support the foot and hold the shoe in place with clamps.
Date: October 13, 1913
Creator: Tufts, Gay L.
Partner: UNT Libraries Government Documents Department

Insulator.

Description: Patent for a train track insulator, which acts as a fastener between adjourning portions of track.
Date: March 29, 1921
Creator: Collier, William R.
Partner: UNT Libraries Government Documents Department

Potato Digger.

Description: Patent for "new and useful improvements in potato-diggers, designed to cut away the vines and to throw them out of the way of the plow-points." (lines 5-10) including instructions and illustrations.
Date: May 22, 1900
Creator: Winfrey, Zachary T.
Partner: UNT Libraries Government Documents Department

Automatic Train Stop

Description: Patent for automatic train stop.
Date: December 26, 1916
Creator: Warren, George F.
Partner: UNT Libraries Government Documents Department
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