Dean Jerome Bergerson

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Brooklyn Park, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Interlock system for multi-door enclosures
- Patent number 8,147,008
- Issue date Apr 3, 2012
- Hoffman Enclosures, Inc.
- Anteneh Guebre-Tsadik
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Interlock system for enclosures
- Patent number 7,275,770
- Issue date Oct 2, 2007
- Hoffman Enclosures, Inc.
- Anteneh Guebre-Tsadik
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Interlock system for enclosures
- Publication number 20060175839
- Publication date Aug 10, 2006
- Anteneh Guebre-Tsadik
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Interlock system for multi-door enclosures
- Publication number 20060006773
- Publication date Jan 12, 2006
- Hoffman Enclosures, Inc.
- Anteneh Guebre-Tsadik
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES