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Wire-Screen Frame.

Description: Patent for a more economical, foldable wire screen frame for doors with removable wire mesh, and included illustration.
Date: December 18, 1917
Creator: Carroll, Houston Monroe
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sash-Fastener.

Description: Patent for an improved window sash fastener that will "enable others skilled in the art to which it appertains to make and use" (lines 9-11), including illustrations.
Date: April 18, 1916
Creator: Crandell, Frederick N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Striking Mechanism for Clocks

Description: Patent for a striking mechanism for clocks which strikes a bell a number of times to indicate the hour of the day. Illustrations included.
Date: February 18, 1913
Creator: Friedman, Bernhard Z.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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