Assignee

HAGER AND SONS HINGE MFG C

2 granted patents·53 citations·filing 1977–1978

Technology mixB25B1 E05B1 F16B1 Y10T1

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2 records

0181US4169616AValve and cylinder-actuated lock controlled therebyHAGER AND SONS HINGE MFG C·Filed 1977·Granted Oct 2, 1979·32 cites·16 claims
0270US4197889ASecurity screw, driver therefor, and processHAGER AND SONS HINGE MFG C·Filed 1978·Granted Apr 15, 1980·21 cites·21 claims

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