Edwin J. Berkowitz

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Merion Station, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for upgrading building windows
- Patent number 7,763,334
- Issue date Jul 27, 2010
- J.E. Berkowitz, L.P.
- Edwin J. Berkowitz
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR UPGRADING BUILDING WINDOWS
- Publication number 20060286317
- Publication date Dec 21, 2006
- Edwin J. Berkowitz
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS