Texas Patents - 6 Matching Results

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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

Improvement in Velocipedes

Description: Patent for the improvement of Velocipedes. The improvement consists of a new and novel combination and arrangement of propelling power, due to the weight of the body, which may be aided by the muscular force thereof and guiding apparatus.
Date: February 13, 1872
Creator: Maltby, Henry A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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