UNT Libraries Government Documents Department - 9 Matching Results

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Automatic Train Stop

Description: Patent for automatic train stop.
Date: December 26, 1916
Creator: Warren, George F.

Bicycle Lock

Description: Patent for a bicycle lock. Illustration included.
Date: December 25, 1906
Creator: Hayford, Samuel & Hayford, Kirby

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.

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.

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

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.

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.
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