John F. Hartman

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El Cajon, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Locking assembly for an astragal
- Patent number 6,457,751
- Issue date Oct 1, 2002
- John F. Hartman
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Locking assembly for an astragal
- Publication number 20020093204
- Publication date Jul 18, 2002
- John F. Hartman
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES