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in subjects: "plows"  
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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

Plow.

Description: Patent for a new and improved plow. This design "consists in the point made with a land-side, fitting into a rabbet in the land-side of the standard, and made thicker and deeper than said rabbet, so as to project beyond and below said land-side to receive the wear" (para. 5).
Date: December 11, 1877
Creator: Dawson, William Wyatt
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Gang Plow and Cultivator.

Description: Patent for "a new and improved gang plow and cultivator" (lines 3-4), including instructions and illustrations. "This invention relates to a new agricultural machine which may be readily changed from a gang-plow into a cultivator, and vice-versa" (lines 15-17).
Date: December 18, 1877
Creator: Domschke, Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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