Charles Kerschenbaum

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Ozone Park, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrically and manually operable door lock with convenient backse...
- Patent number 4,800,741
- Issue date Jan 31, 1989
- Sidney Kerschenbaum
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES