4 Matching Results

Search Results

Lap Ring.

Description: Patent for a new and improved lap ring (or link). This design utilizes a hinge to allow for half of the ring to part from the other half, which creates a larger opening and allows for connection with a wider range of things (e.g., larger clevises).
Date: October 25, 1881
Creator: Matthews, James Levi
Partner: UNT Libraries Government Documents Department

Safety-Pin.

Description: Patent for an improved fastening device which incorporates a sliding shield.
Date: August 25, 1914
Creator: Pyron, John M.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen