Laurence M. Kornfield

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San Francisco, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for transferring shear forces in garage door open...
- Patent number 7,905,056
- Issue date Mar 15, 2011
- The City and County of San Francisco
- Laurence M. Kornfield
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
System and method for transferring shear forces in garage door open...
- Publication number 20070261314
- Publication date Nov 15, 2007
- The City and Coutny of San Francisco
- Laurence M. Kornfield
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES