Transit car door system and operation
Transit car power door obstruction sensing system and device
Transit vehicle door system
Transmitter for use in a remote control apparatus
Transmitting chain for an automobile electric window
Trapping protector for power-operated closing device
Twin sprocket garage door opener
Twist lock window regulator pivot pin
Two drum cable drive garage door opener
Two knuckle hinges
Two motor arrangement for a door operator
Two-door opener remote control
Unified casement operator
Unit window regulator assembly
Unitary regulator mechanism for multiple window panels
Universal barrier operator transmitter
Universal cable window regulator assembly for vehicles
Universal clipping plug
Universal door safety system
Universal garage door opener