Featured patents

Door Opening and Closing Device
US 08533909 B2, Sept. 17, 2013, Eita Minegishi et al. / The Yokohama Rubber Co., Ltd. JP
A door opening and closing device, comprising:…

Patentorg has 1 document under Coil Patents.

Other subcategories for category Miscellaneous hardware (e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.)
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