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Improvement in Windlass Water-Elevators

Description: 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: October 15, 1878
Creator: Knipscheer, John
Partner: UNT Libraries Government Documents Department

Seed Planter

Description: 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.
Partner: UNT Libraries Government Documents Department

Switch Operating Device

Description: 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.
Partner: UNT Libraries Government Documents Department

Collapsible Bench.

Description: 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, Iwa
Partner: UNT Libraries Government Documents Department
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