UNT Libraries Government Documents Department - 5 Matching Results

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Back-Brace

Description: Patent for improvement on back braces, specifically to improve the performances of people who repeatedly stoop for their jobs. The back brace aims to relieve the stress on back muscles.
Date: November 14, 1911
Creator: Thornton, Henry C.

Scissors or Shears.

Description: Patent for scissors or shears which open automatically due to a central, coiled spring.
Date: November 7, 1911
Creator: Allison, Robert L.

Chimney Holder

Description: Patent for chimney holder. This design is a "means for holding a chimney upon a burner of any kind for the purpose of preventing the accidental tilting of the chimney" (lines 11-13). Illustrations included.
Date: March 7, 1911
Creator: Elkins, Thomas M.

Hay-Rake

Description: Patent for a horse hay rake that can be folded and extended. Illustrations included.
Date: May 23, 1911
Creator: Lewallen, Edward D.

Pump.

Description: Patent for a pump that does not leak air when the piston is passed.
Date: December 26, 1911
Creator: Murray, Jasper
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