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in creator/contributor: "Richardson, Charles C."  
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Harrow

Description: Patent for a harrow to be used with a cultivator. Illustrations included.
Date: September 5, 1911
Creator: Wolfe, James A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rope Guide and Protector.

Description: Patent for improvements to rope guides and protectors for "unloading grain from cars, to prevent the rope from wearing during its passage around the door jamb of the [train] car, and also to prevent friction during such passage of the rope" (lines 14-18).
Date: July 27, 1915
Creator: Early, Allen
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Elevator

Description: Patent for an elevator which locks itself should the hoisting cable break. Illustrations included.
Date: April 18, 1911
Creator: Ballard, Silas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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