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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
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