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Attachment for Wheel-Plows.

Description: Patent for "invention has relation to improvements in attachments to sulky and other horse-plows" (para. 3). Combines a circle-plate, transverse clamp-ridge, clamps, a bearing plate, a king-bolt, a transverse sleeve, an axle, adjusting collars, and transporting-wheels on said axle.
Date: March 11, 1879
Creator: Cummins, John Randolph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Compound Engines.

Description: Patent for "a series of engines for working the steam over by exhausting it from the first into the second, and so on, for utilizing the pressure lost when steam is exhausted from a single engine into the air..." (lines 7-11) including instructions and illustrations.
Date: February 16, 1875
Creator: Bell, Jackson W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Tire-Tighteners.

Description: Patent for a device "for the purpose of tightening or loosening tires on wheels belonging to any kind of vehicles without shrinking or cutting the tires." (Lines 6-9) Includes instructions and illustrations.
Date: July 27, 1875
Creator: Horton, Henry A. R. & Hayes, Amos P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Gang-Plows.

Description: Patent for "an improved gang-plow, which shall be so constructed that it may be readily adjusted to cause the plows to take or leave land, and which will enable the wheels to be adjusted closer to or farther from the plows, as may be desired." (Lines 12-17) Includes instructions and illustrations.
Date: February 20, 1877
Creator: Cummins, John R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Gang-Plows.

Description: Patent for an improved gang-plow with an adjustable crank-axle, mechanism to raise and lock the plows, and a brace for increasing rigidity.
Date: January 27, 1874
Creator: Cummins, Allison G. & Cummins, John R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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