UNT Libraries Government Documents Department - 4 Matching Results

Search Results

Seal-Padlock

Description: Patent for a seal padlock, designed to "render it absolutely impossible to gain access to the interior of the lock" (lines 12-14). Illustrations included.
Date: June 11, 1907
Creator: Abrams, Frederic

Impregnator

Description: Patent for an impregnator for mares.
Date: February 11, 1913
Creator: Curlee, Andrew J.

Nutcracker

Description: Patent for a nutcracker. Illustrations included.
Date: February 11, 1913
Creator: Harris, Irvin F.

Plow.

Description: Patent for improvements in the plow with a heated mold-board to prevent sticking, including illustrations.
Date: March 11, 1879
Creator: Tucker, Argyle W.