Assignee
CHENEY COMPANY
US4 patents
Top patents by PatentIndex Score
US4904916AFeb 27, 1990
Electrical control system for stairway wheelchair lift
CHENEY COMPANY61 citations94
US4913264AApr 3, 1990
Stairway chairlift mechanism
CHENEY COMPANY61 citations93
US5052521AOct 1, 1991
Stairway wheelchair lift
CHENEY COMPANY92 citations92
US5168131ADec 1, 1992
Apparatus and method for controlling an elevator
CHENEY COMPANY0 citations40