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Improvement in Spike-Extractors.

Description: Patent for "an improvement in the class of nail-extractors in which a gripe or grapple formed of pendent springs or hinged jaws is employed." (lines 7-10) including instructions and illustrations.
Date: September 29, 1874
Creator: Devine, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Corn-Flour and Process of Producing the Same.

Description: Patent for a new type of corn tortilla flour and the process for cooking the corn in lime water, producing a flour that keeps as long as wheat flour and eliminates the need for grinding before use.
Date: July 24, 1906
Creator: Wreford, Samuel Phippen & Besteiro, Martin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Buggy-Shackle

Description: Patent for a buggy shackle which "has a spring actuated coupling pin, and means for holding the pin in uncoupled position while the thills are being attached" (lines 10-13).
Date: August 2, 1910
Creator: Perry, Charles Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Canal-Gate.

Description: Patent for an improvement to canal-gates that is "a simple and comparatively inexpensive contrivance for receiving a handle of the shank of a handle which is attached to the lock or gate" (lines 18-22) including an illustration.
Date: March 9, 1920
Creator: Perry, Charles Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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