Richard John Gann

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Centennial, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Simultaneously operating self balanced hung window
- Patent number 7,117,636
- Issue date Oct 10, 2006
- Custom Window Company, Inc.
- Richard John Gann
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Simultaneously operating self balanced hung window
- Publication number 20050055881
- Publication date Mar 17, 2005
- Richard John Gann
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES