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Marker Attachment for Plows.

Description: Patent for an “improved device to be used upon plows, and the objects are to provide means whereby the succeeding row to be plowed may be marked, thereby giving a uniform plowing to the field; furthermore, to provide for an adjustment of the marker, whereby the distance between the rows may be adjusted.” (Lines 8-15) Includes illustration.
Date: August 11, 1891
Creator: Marley, James D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new and useful plow, including instructions and illustrations.
Date: May 31, 1898
Creator: Ward, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a turning plow with "a wheel for operating in the bottom of the furrow in rear of the lower end of the standard, which...serves the purposes of an ordinary land side-plate..."(lines 10-13).
Date: July 14, 1908
Creator: Ausburn, John H. & Ausburn, Vivian
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Plows.

Description: Patent for improvement in cotton-plows by making the plow blades curved for the purpose of breaking up the land to prevent the plow from clogging. (Lines 27-30) The plow can break up the soil and laying off seed-furrows simply by reversing and removing the blades to a different position of the frame. (Lines 59-60) Illustration is included.
Date: August 31, 1869
Creator: Sims, Zachariah B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow Point.

Description: Patent for a new and improved plow-point. This design consists in "[t]he combination, with the double mold-board rigidly fixed to the curved beam in the rear of the lower end thereof, of the point having symmetrical corners and lugs adapted to pass beneath the front edge of said mold-board and prevent rocking of the point upon the beam, to which alone it is attached, and bolts securing said point in position" (lines 65-73).
Date: May 22, 1888
Creator: Martin, Isaac Jasper
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new and improved plow. This design is "to provide a [sweep-]plow . . . [that] is extremely light in draft, may be run deep or shallow, and will plow or cut its entire width at all times and without turning the ground" (lines 9-14). It consists, "with the plow-standard provided at opposite sides with adjustable brackets, of a triangular-shaped convexed sweep bolted to the brackets and having the angles of its base in the same plane with the apex or point and its rear edge disposed a… more
Date: November 25, 1890
Creator: Marley, James D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for improved “reversible hillside-plows and enable the plowshare to be rapidly changed from one side of the plow to the other and to move in front of the standard and over the foot of the same and obviate the necessity of lifting the entire plow every time it is desired to change the position of the plowshare" (lines 10-17), includes illustration.
Date: March 10, 1891
Creator: Williams, Irvin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for improvements in plows by using “a double-mold-board plow comprising a plow-point provided with a shank, whose reverse inclines are slightly convex from the upper end of the shank to the plow-point, in combination with two mold-boards that are concavo-convex in cross-section as well as in longitudinal or vertical section” (p. 2, lines 44-50). The described construction of plow would enable the plow to thoroughly broken up the soil. Illustration is included.
Date: September 15, 1891
Creator: Rutherford, John W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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