UNT Libraries Government Documents Department - 4 Matching Results

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Aeroplane.

Description: Patent for aeroplane construction to include improvements to air motor protection to minimize resistance and the use of air cups to direct the full force of air to the motor shaft, including illustrations.
Date: November 15, 1921
Creator: Smith, Joseph A.
Item Type: Refine your search to only Patent

Stalk Knocker.

Description: Patent for a new and improved stalk knocker. This design consists in "the combination, with the running-gear of a wagon, of a frame-work mounted thereon and provided with vertically-adjustable hangers at its rear end carrying stalk-knockers and their shaft, a diagonal adjustable brace connecting the hanger and the frame-work, and a driving-pulley formed in sections, having spoke-embracing lugs, and connected to the knocker-shaft by means of a belt" (lines 10-18).
Date: November 8, 1887
Creator: Allen, William A.
Item Type: Refine your search to only Patent
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