Patrick K. Johnson

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Woodbury, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Fire-resistant door
- Patent number 7,028,431
- Issue date Apr 18, 2006
- Nystrom, Inc.
- Jalil Tlemcani
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Fire-resistant door
- Patent number 6,615,544
- Issue date Sep 9, 2003
- Nystrom, Inc.
- Jalil Tlemcani
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Fire-resistant door
- Publication number 20040045219
- Publication date Mar 11, 2004
- Nystrom, Inc.
- Jalil Tlemcani
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES