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Inventor:
Dombrowski; Kenneth J.
Address:
Wheaton, IL
No. of patents:
5
Patents:












Patent Number Title Of Patent Date Issued
6414454 Pass point system for controlling the operation of movable barriers July 2, 2002
An operator for opening and closing movable barriers such as garage doors comprising a pass point limit system which is a component of an operating head. The operator is responsive to remote control from a wall panel or other location remote from the operating head to enable setting and
6051947 Pass point system for controlling the operation of movable barriers April 18, 2000
An operator for opening and closing movable barriers such as garage doors comprising a pass point limit system which is a component of an operating head. The operator is responsive to remote control from a wall panel or other location remote from the operating head to enable setting and
5761850 Garage door operator having vibration damper for noise reduction June 9, 1998
A garage door operator having reduced noise output during operation includes a head unit having a housing. A motor mount is connected to the housing to support an electric motor. A vibration damper is interposed between the motor mount and the electric motor to reduce noise radiated
5297782 Modular snubber apparatus March 29, 1994
A snubber for tension members such as drive chains and drive belts includes a spindle having an upstanding wall at one end and a recess at the opposite end. A compressed spring is carried on the spindle and is retained thereon in its compressed state by a split ring received in the r
5010688 Garage door operator with plastic drive belt April 30, 1991
A garage door operator for moving a garage door between open and closed posiitons includes a head unit for being held by a support structure positioned remote from the door with the head unit having a motor and a drive wheel with spaced teeth on its periphery for being driven by the










 
 
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