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in subjects: "plows"  
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Plow Attachment.

Description: Patent for the ability to attach one or more plows simply and inexpensively so users can customize their plowing methods as needed.
Date: February 10, 1914
Creator: Welch, Drew O.
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Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new and improved plow. This design "relates to an improvement in . . . the construction of the mold-board and to the arrangement thereof relative to the plowshare. The mold-board, instead of being curved or concave, as has usually been the case, is . . . made perfectly flat, and so constructed that it projects at one corner slightly beyond the upper edge of the plowshare. . . . [C]onsequently the plow can be moved through the soil with less difficulty" (lines 13-25).
Date: January 10, 1882
Creator: Domschke, Charles.
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Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new and improved plow. This design consists in "[t]he slide for shovel-plows, consisting of two members having enlargements at their ends, provided with radial notches, the upper member being provided with a longitudinal slot, and a pivot-pin inserted through the enlargements of the members" (lines 62-67).
Date: June 10, 1890
Creator: Mason, Thomas J.
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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 share having the keeper on the mold-board and the arm, the detachable point bearing against the outer side of the arm and having the tongue engaging the keeper, and the lever fulcrumed to the mold-board at a point between the keeper and landside, and having the short arm adapted to lap the joint between the point and mold-board and to engage the outer end of the tongue to lock the latter in the keeper" (lines 82… more
Date: June 10, 1890
Creator: Hyer, Robert Stewart
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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