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in creator/contributor: "Bird, John L."  
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Stalk-Cutter.

Description: Patent for a stalk cutter that attaches to a cultivator and will move up if it hits an obstacle.
Date: May 9, 1911
Creator: Bird, John L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling

Description: Patent for a simple, inexpensive, durable, and efficient car coupling "which will insure positive automatic coupling when two opposite draw-heads come together" (lines 16-18).
Date: April 26, 1892
Creator: Bird, Robert L. & Bird, John L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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