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Improvement in Wheel-Plows.

Description: Patent for an improvement in wheel plows made so that "the plowing may be done by passing back and forth in parallel lines" (lines 17-18).
Date: September 5, 1871
Creator: Coreth, Rudolph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Sulky-Plows.

Description: Patent for an invention of a new and improved sulky-plow, "which shall be so constructed that it may be readily adjusted to cause the plow to take or leave land, and to work at any desired depth in the ground, which will enable the plow to be readily raised from the ground" (lines 13-17). Illustrations included.
Date: February 20, 1877
Creator: Riddle, William N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement In Sulky-Plows.

Description: This pantent was created for the construction and preperation of a sulky plow cultivator. The invention was created for new and mechanical improvements.
Date: April 9, 1878
Creator: Tucker, Argyle W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Single-Trees.

Description: Patent for "a new and useful improvement in Wooden Single-Trees" (lines 3-4), "for plows and other similar drafts" (lines 15-16), including instructions and illustrations.
Date: December 18, 1877
Creator: Bass, Thomas Gibson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Cultivators.

Description: Patent for the improvement of cultivators, consisting in the construction and arrangement of of a double-sweep plow. It includes a description and illustration.
Date: August 20, 1872
Creator: Svenson, Bengt Johan
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Cultivators.

Description: Patent for improving on a plowing device. This apparatus has four independent and adjustable shovels attached together to work to cultivate a field.
Date: November 18, 1873
Creator: Cavett, Richard S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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