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5 Matching Results
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Plow.
Patent for improvements in the plow with a heated mold-board to prevent sticking, including illustrations.
Date:
March 11, 1879
Creator:
Tucker, Argyle W.
System:
The Portal to Texas History
Nutcracker
Patent for a nutcracker. Illustrations included.
Date:
February 11, 1913
Creator:
Harris, Irvin F.
System:
The Portal to Texas History
Elevating-Truck.
Patent for new improvements for a portable elevating truck, used for handling and storing heavy material to stack on each other. (referred to as "decking") using an endless chain on an incline.
Date:
November 11, 1919
Creator:
Anderson, John L.
System:
The Portal to Texas History
Seal-Padlock
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
System:
The Portal to Texas History
Impregnator
Patent for an impregnator for mares.
Date:
February 11, 1913
Creator:
Curlee, Andrew J.
System:
The Portal to Texas History