Assignee
KERSCHENBAUM SIDNEY
US·2 granted patents·113 citations·filing 1986–1991
Top patents by PatentIndex Score
2 records- 0182US5246258ARim type door lock with interchangeable bolt assemblies and adjustable backset plate assembliesKERSCHENBAUM SIDNEY·Filed 1991·Granted Sep 21, 1993·72 cites·17 claims
- 0269US4800741AElectrically and manually operable door lock with convenient backset selectionKERSCHENBAUM SIDNEY·Filed 1986·Granted Jan 31, 1989·41 cites·21 claims
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