Assignee
US ELEVATOR CORP
US·4 granted patents·188 citations·filing 1984–1993
Top patents by PatentIndex Score
4 records- 0193US4750592AElevator position reading sensor systemUS ELEVATOR CORP·Filed 1987·Granted Jun 14, 1988·68 cites·31 claims
- 0289US5135081AElevator position sensing system using coded vertical tapeUS ELEVATOR CORP·Filed 1991·Granted Aug 4, 1992·74 cites·14 claims
- 0374US4630423ASuspended-ceiling framework assemblyUS ELEVATOR CORP·Filed 1984·Granted Dec 23, 1986·41 cites·9 claims
- 0433US5374794AElevator control valve assemblyUS ELEVATOR CORP·Filed 1993·Granted Dec 20, 1994·5 cites·29 claims
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