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Collapsible Bench.
Patent for a collapsible bench that improves the structure of general work benches by folding together when not being used.
Date:
June 15, 1920
Creator:
Danyluk, Iwan.
System:
The Portal to Texas History
Improvement in Windlass Water-Elevators
Patent for an improvement in Chain-Wheels consisting "in the construction and arrangement of a device for drawing water from wells, which shall be cheap, convenient, and free from danger, as will be hereinafter more fully set forth."
Date:
July 27, 1878
Creator:
Knipscheer, John
System:
The Portal to Texas History
Seed Planter
Patent for...a seed planting machine which improves upon an earlier cotton seed planting machine. The improved apparatus can be substituted for corn and other seeds. It may also be utilized for ground cultivation.
Date:
July 15, 1884
Creator:
Pietzsch, Louis; Armstrong, John J. & Lowrey, Joseph R.
System:
The Portal to Texas History
Switch Operating Device
Patent for a simple, inexpensive and efficient design for an operating switch for use on street-railway cars to enable a motorman to quickly throw a switch or set switch without leaving the platform of the car.
Date:
October 15, 1901
Creator:
Tanner, Calvin W.
System:
The Portal to Texas History