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Insect-Trapping Attachment for Cultivators.

Description: Patent for "new and useful improvement in insect-trapping attachments for cultivators" (lines 5-7) including illustrations.
Date: March 28, 1916
Creator: Etheredge, John H.
Partner: UNT Libraries Government Documents Department

Equilibrium-Retaining Device for Flying-Machines.

Description: Patent related to automatic means for maintaining equilibrium while operating heavier-than-air flying machines through the use of valves.
Date: November 28, 1911
Creator: Macmanus, Augustus Frederick Watson
Partner: UNT Libraries Government Documents Department

Check-Writer.

Description: Patent for a new check-writer machine capable of typewriting bank checks and similar documents with two sets of type, allowing for the printing of payee names, numerical amounts, and word amounts in a single movement.
Date: June 28, 1921
Creator: Wendelken, Charles
Partner: UNT Libraries Government Documents Department
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