John Frey

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Los Angeles, CA, US

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Patents Applicationslast 30 patents

Information Patent Application
Unit Glazing Construction for Window Panels
- Publication number 20130291459
- Publication date Nov 7, 2013
- C.R. Laurence Co., Inc.
- John Frey
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS