Terence E. Crimmins

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Westford, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for transmitting a plurality of different code...
- Patent number 6,822,603
- Issue date Nov 23, 2004
- The Chamberlain Group, Inc.
- Terence E. Crimmins
- G08 - SIGNALLING
Information Patent Grant
Method and apparatus for facilitating control of a movable barrier...
- Patent number 6,696,806
- Issue date Feb 24, 2004
- The Chamberlain Group, Inc.
- Robert S. Study
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Controller for a door operator
- Patent number 6,184,641
- Issue date Feb 6, 2001
- The Chamberlain Group, Inc.
- Terence E. Crimmins
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Multi-frequency radio frequency transmitter with code learning capa...
- Patent number 6,181,255
- Issue date Jan 30, 2001
- The Chamberlain Group, Inc.
- Terence E. Crimmins
- G07 - CHECKING-DEVICES
Information Patent Grant
Fire door operator having an integrated electronically controlled d...
- Patent number 6,014,307
- Issue date Jan 11, 2000
- The Chamberlain Group, Inc.
- Terence E. Crimmins
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for facilitating control of a movable barrier...
- Publication number 20030038604
- Publication date Feb 27, 2003
- The Chamberlain Group, Inc.
- Robert S. Study
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES