UNT Libraries Government Documents Department - 7 Matching Results

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Photoprinter.

Description: Patent for a photograph printer that includes a mask mechanism to create prints of different sizes. Construction is such that the person using the printer can work the printer accurately and quickly complete work.
Date: April 11, 1922
Creator: Lockhart, William E.
Item Type: Refine your search to only Patent

Suspender Clip

Description: Patent for a clamp, used primarily for fastening the shoulder straps of overall garments but can also be used for suspenders for supporting trousers. Includes illustrations.
Date: April 11, 1916
Creator: Murray, Richard H.
Item Type: Refine your search to only Patent

Wrench

Description: Patent for an improvement in the design of wrenches, particular for heavy work such as deep well drilling, but still being able to be designed at smaller sizes to handle lighter work.
Date: April 11, 1922
Creator: Reed, Clarence E.
Item Type: Refine your search to only Patent
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