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Improvement in Hand-Vises.

Description: Patent for hand vise to use as a tool for mechanics to hold small articles, can be attached to bits or augers for gauging the depth of a hole bored, and also for countersinking such holes for screws.
Date: November 19, 1872
Creator: Overton, Thomas
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent for "a new and Improved Plow" (lines 4-5) including illustrations.
Date: September 14, 1875
Creator: Freeman, Irvan
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent for improving a plow device that is curved and has open grooves.
Date: November 9, 1875
Creator: Freeman, Irvin
Partner: UNT Libraries Government Documents Department

Improvement in the Propulsion of Vessels.

Description: Patent for improvement in vibrating propellers with continued paddle action that can be attached to a line of boats.
Date: December 30, 1873
Creator: Macowitzky, Charles P.
Partner: UNT Libraries Government Documents Department

Improvement in Vibrating Propellers

Description: Patent for Improvement in vibrating propellers for steamers to improve the ability to control the vessel. Includes two illustrated and labeled figures.
Date: February 18, 1873
Creator: Macowitzky, Charles P.
Partner: UNT Libraries Government Documents Department

Improvement in Vibrating Propellers.

Description: Patent for new and useful improvement in vibrating propellers.
Date: December 22, 1874
Creator: Macowitzky, Charles P.
Partner: UNT Libraries Government Documents Department

Improvements In Vine-Rakes

Description: Patent for new and improved Vine-Rakes to use in everyday farming. Uses includes pulling fines from crops and preparing the ground for plowing or digging before planting crops.
Date: April 20, 1875
Creator: Dunn, Joseph W
Partner: UNT Libraries Government Documents Department
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