3 Matching Results

Search Results

Can Opener

Description: Patent for a can opener which cuts cleanly and rapidly around the outside wall of the can, so as to avoid jagged edges.
Date: February 14, 1922
Creator: Minor, Robert B.
Partner: UNT Libraries Government Documents Department

Railway Switch.

Description: Patent for a railway switch to be operated by foot and without structural change to existing construction.
Date: February 28, 1922
Creator: Arteaga, Ignacio
Partner: UNT Libraries Government Documents Department
Back to Top of Screen