Spring Hinge
Description:
Patent for providing a "door-hinge of simple and durable construction swinging freely either way from a spring which is fast at one end, but adapted at the other to ride freely up and down the doorjamb" (lines 9-12) including an illustration.
Date:
January 21, 1902
Creator:
Kincaid, Michael A. D.
Item Type:
Refine your search to only
Patent
Partner:
UNT Libraries Government Documents Department