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Electric Time-Switch.
Patent for an electric, switch-operated construction functioning for timer-controlled circuit completions and breaks, including illustrations.
Date:
July 3, 1906
Creator:
Chappel, James. M.
System:
The Portal to Texas History
Improvement in Gang-Plows.
Patent for an improvement of gang-plows by arranging the plows in rows on to a fame which can be fastened to a wagon, when the wagon is in motion, it causes the plows to work in vertical motion. The height of the plow-frame can be adjusted. Illustration is included.
Date:
July 3, 1860
Creator:
Wilson, J. C.
System:
The Portal to Texas History
Front-Wheel Drive
Patent for an invention that relates to front wheel driving mechanism. This invention is to provide simple and reliable driving mechanism between the engine and each of the front wheels of a motor vehicle.
Date:
July 3, 1917
Creator:
Smith, George W.
System:
The Portal to Texas History
Churn.
Patent for "a new and use-ful improvement in churns , and its objects among other things , are to provide a simple device more durable in construction than heretofore and one which is cheap of manufacture, may be readily operated and cleaned, and is adapted to keep contents thereof at a desired temperature" (lines 12-19) including illustrations.
Date:
July 3, 1900
Creator:
Welke, William R.
System:
The Portal to Texas History
Automobile Projectile.
Patent for self-propelled vehicle with means for reducing a barrier such as a wire entanglement.
Date:
July 3, 1917
Creator:
Elrod, Henry E.
System:
The Portal to Texas History