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in subjects: "plows"  
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Improvement in Plows.

Description: Patent for a new improvement in agricultural plows that will not clog when used with sticky prairie-soil, including illustration.
Date: January 27, 1874
Creator: Ford, Isaac M.
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Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new and improved plow. This design consists in "the combination of the beam, the parallel horizontal arms pivoted to the top and bottom of the beam and projecting beyond the sides of the same, the vertically-slotted brackets secured between the beams at the ends of the same, the cultivator-beams arranged between the upper and lower horizontal arms, and the securing bolts inserted transversely through the beams and the slots of the brackets" (lines 59-68).
Date: December 17, 1889
Creator: Walton, Sam Houston
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Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new and improved plow. This design consists, "with the beam and two or more depending bolts and two or more series of opposite flanged supporting plates mounted on the bolts, of two or more pairs of bifurcated L-shaped opposite hangers mounted in the plates and held rigid by the latter, and side beams, and bolts passing through the side beams and supports and making the side beams adjustable" (lines 4-12).
Date: February 11, 1890
Creator: Walton, Sam Houston
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Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new and improved plow. This design is "to combine a single and double plow so that they may be used either conjointly or independently of each other, and to provide means for the ready adjustment of the plow-beams with relation to each other and for the adjustment of the shovels so as to present the same at different inclinations for penetrating the ground at various depths" (lines 8-16).
Date: July 15, 1890
Creator: Walton, Sam Houston
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Partner: UNT Libraries Government Documents Department

Spring-Wheel.

Description: Patent for a heartier spoke to be used in place of wooden spokes. This spoke can be inserted and substituted for a wooden one.
Date: November 12, 1918
Creator: Stewart, Joseph B. & Winfrey, John D.
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Partner: UNT Libraries Government Documents Department

Cotton Stalk Cutter and Insect Killer

Description: Patent for improvements to mechanical cotton stalk cutting and insect destroying apparatus. The machine's object is "cutting the stalks into small pieces, and the crushing the stalks so as to crush and destroy insects which may be upon the withered stalks." (lines 26-29).
Date: September 5, 1922
Creator: Batla, Thomas H. & Holan, Heny J.
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Partner: UNT Libraries Government Documents Department
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