David A. Sorensen

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Hamden, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
High strength lever handle lock mechanism
- Patent number 6,735,993
- Issue date May 18, 2004
- Sargent Manufacturing Company
- Darren C. Eller
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
High strength lever handle lock mechanism
- Patent number 6,626,018
- Issue date Sep 30, 2003
- Sargent Manufacturing Company
- Darren C. Eller
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Free-wheeling lever handle lock mechanism
- Patent number 6,101,856
- Issue date Aug 15, 2000
- Sargent Manufacturing Company
- Thomas A. Pelletier
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Motorized lock actuators
- Patent number 5,694,798
- Issue date Dec 9, 1997
- Sargent Manufacturing Company
- Paul Nunez
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Cylindrical lever handle lock
- Patent number 4,869,083
- Issue date Sep 26, 1989
- Sargent Manufacturing Corporation
- Paul H. DeMarseilles
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
High strength lever handle lock mechanism
- Publication number 20030131640
- Publication date Jul 17, 2003
- Sargent Manufacturing Company
- Darren C. Eller
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
High strength lever handle lock mechanism
- Publication number 20020100301
- Publication date Aug 1, 2002
- Sargent Manufacturing Company
- Darren C. Eller
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES