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Sulky-Plow.

Description: Patent for a sulky plow for three horses, which stops the plow pole from rubbing the middle horse.
Date: August 18, 1908
Creator: Marx, Otto H.
Partner: UNT Libraries Government Documents Department

Thread-cutting Tool.

Description: Patent for a thread cutting tool developed to efficiently thread bolts, rods, and other parts without damaging the ends of the thread, includes illustrations.
Date: August 5, 1919
Creator: Newman, Malcolm A.
Partner: UNT Libraries Government Documents Department

Swingletree Clip

Description: Patent for providing an improved form of swingletree clip which is simple in construction, may be cheaply made and in which the eye which connects the hook to the clips swiveled so that the hook may rotate and thus there will be no change of disengagement between the draft connections and the swingletree.
Date: August 14, 1917
Creator: Leasman, John D.
Partner: UNT Libraries Government Documents Department

Planter

Description: Patent for a planter. Illustration included.
Date: August 10, 1909
Creator: Brinkoeter, August
Partner: UNT Libraries Government Documents Department

Cotton-Chopping Machine

Description: Patent for a cotton chopping machine. Illustrations included.
Date: August 8, 1911
Creator: Lynn, Walter Hugh
Partner: UNT Libraries Government Documents Department
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