UNT Libraries Government Documents Department - 3 Matching Results

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Cotton-Gin
Patent for an improvements in the combination of devices and overall construction of cotton gins.
Horseshoe.
Patent for a horseshoe that has "a double crease in the bottom face or under side of the shoe and peculiarly-arranged corrugations or roughened surfaces in the upper side of the shoe" (lines 13-17).
Thill-Coupling.
Patent for the invention for new and useful improvements on the thill-coupling along with illustrations and instructions.
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