3 Matching Results

Search Results

Combination-Plow.

Description: Patent for a combination-plow that "may be combined with facility to form a variety of plows designed for work of different kinds, the present invention being an improvement upon that shown and described in Patent No. 492,462, granted to [the inventor] February 28, 1893" (lines 10-15).
Date: July 14, 1896
Creator: Dean, John Rowe
Partner: UNT Libraries Government Documents Department

Improvement in Plaiting-Irons.

Description: Patent for an improvement to plaiting-irons: "a plaiting-iron composed of a peculiarly-constructed iron or metal plate used in connection with a correspondingly-constructed board" (lines 23-25), with illustrations.
Date: August 14, 1877
Creator: Gingras, Joseph E.
Partner: UNT Libraries Government Documents Department

Rail-Bond.

Description: Patent for a rail bond that allows an electric current to travel through the rails.
Date: March 14, 1911
Creator: Humason, Granville A. & Odell, Edward F.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen