Texas Patents - 6 Matching Results

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Device For Converting Motion.

Description: Patent for a device that converts "regular rotary motion into irregular reciprocating motion" (lines 15-16) which includes instructions and illustrations.
Date: January 26, 1886
Creator: Shellenberger, Samuel L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Door-Operator.

Description: Patent for a device that is a means of mounting a train car door by which it may be easily opened or closed, and especially easily fixed when stuck.
Date: August 26, 1913
Creator: Gradick, Wiley, Sr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Grain-Door

Description: Patent for a grain car door that keeps the grain securely in the railroad car.
Date: November 26, 1912
Creator: Gradick, Wiley, Sr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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