Kenneth J. Dombrowski

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Wheaton, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Pass point system for controlling the operation of movable barriers
- Patent number 6,414,454
- Issue date Jul 2, 2002
- The Chamberlain Group, Inc.
- Roger William Lhotak
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Pass point system for controlling the operation of movable barriers
- Patent number 6,051,947
- Issue date Apr 18, 2000
- The Chamberlain Group, Inc.
- Roger William Lhotak
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Garage door operator having vibration damper for noise reduction
- Patent number 5,761,850
- Issue date Jun 9, 1998
- The Chamberlain Group, Inc.
- Roger W. Lhotak
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Modular snubber apparatus
- Patent number 5,297,782
- Issue date Mar 29, 1994
- The Chamberlain Group, Inc.
- Kenneth J. Dombrowski
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Garage door operator with plastic drive belt
- Patent number 5,010,688
- Issue date Apr 30, 1991
- The Chamberlain Group, Inc.
- Kenneth J. Dombrowski
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES