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Thill-Coupling.
Patent for a simple and inexpensive thill-coupling that "can be conveniently applied to any ordinary vehicle, which is arranged in such a way that rattling is positively prevented, and which, when the thills are dropped, permits them to be freely lifted from the coupling; also to a modified form of the device designed to prevent rattling only" (lines 12-18).
Date:
December 25, 1894
Creator:
Parker, Daniel
System:
The Portal to Texas History
Plow.
Patent for "an improved plow of simple and inexpensive construction employing two shovels so arranged and attached that either one may be quickly and easily removed to convert the plow into either a right or left hand plow, and has for its further object to provide a plow especially designed for opening new ground wherein the plowing is rendered difficult by the presence of roots and similar growth" (lines 9-18).
Date:
December 15, 1896
Creator:
Stephens, William
System:
The Portal to Texas History
Thill-Coupling.
Patent for the invention for new and useful improvements on the thill-coupling along with illustrations and instructions.
Date:
December 27, 1892
Creator:
Tanner, David Wilmer
System:
The Portal to Texas History