Assignee
U S ELEVATOR CORP
3 granted patents·50 citations·filing 1979–1989
Top patents by PatentIndex Score
3 records- 0183US4805739AElevator control switch and position indicator assemblyU S ELEVATOR CORP·Filed 1988·Granted Feb 21, 1989·38 cites·14 claims
- 0234US4286583ASolar heater unitU S ELEVATOR CORP·Filed 1979·Granted Sep 1, 1981·10 cites·2 claims
- 0329US4951787AElevator control and indicator deviceU S ELEVATOR CORP·Filed 1989·Granted Aug 28, 1990·2 cites·14 claims
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