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Bicycle Lock
Patent for a bicycle lock. Illustration included.
Date:
December 25, 1906
Creator:
Hayford, Samuel & Hayford, Kirby
System:
The Portal to Texas History
Improvement in Windmills.
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
System:
The Portal to Texas History
Automatic Train Stop
Patent for automatic train stop.
Date:
December 26, 1916
Creator:
Warren, George F.
System:
The Portal to Texas History