UNT Libraries Government Documents Department - 8 Matching Results

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Improvement in Hand-Vises.

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

Item Type: Patent

Improvement in Plows.

Patent for "a new and Improved Plow" (lines 4-5) including illustrations.

Date: September 14, 1875

Creator: Freeman, Irvan

Item Type: Patent

Improvement in Plows.

Patent for improving a plow device that is curved and has open grooves.

Date: November 9, 1875

Creator: Freeman, Irvin

Item Type: Patent

Improvement in Processes for Preserving Wood.

Patent for preserving wood from the ravages of marine insects (lines 7-8).

Date: July 28, 1874

Creator: Archer, Roger W.

Item Type: Patent

Improvement in the Propulsion of Vessels.

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.

Item Type: Patent

Improvement in Vibrating Propellers

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.

Item Type: Patent

Improvement in Vibrating Propellers.

Patent for new and useful improvement in vibrating propellers.

Date: December 22, 1874

Creator: Macowitzky, Charles P.

Item Type: Patent

Improvements In Vine-Rakes

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

Item Type: Patent

UNT Libraries Government Documents Department - 8 Matching Results

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Improvement in Hand-Vises.

Improvement in Plows.

Improvement in Plows.

Improvement in Processes for Preserving Wood.

Improvement in the Propulsion of Vessels.

Improvement in Vibrating Propellers

Improvement in Vibrating Propellers.

Improvements In Vine-Rakes