Assignee
QUADRA WHEELCHAIRS INC
9 granted patents·259 citations·filing 1980–1984
Top patents by PatentIndex Score
9 records- 0191US4351540AWheelchair constructionQUADRA WHEELCHAIRS INC·Filed 1980·Granted Sep 28, 1982·64 cites·47 claims
- 0279US4477098AWheelchair constructionQUADRA WHEELCHAIRS INC·Filed 1982·Granted Oct 16, 1984·51 cites·34 claims
- 0366US4570756ABrake device for wheelchairsQUADRA WHEELCHAIRS INC·Filed 1983·Granted Feb 18, 1986·50 cites·23 claims
- 0465USD269172SWheelchairQUADRA WHEELCHAIRS INC·Filed 1980·Granted May 31, 1983·9 cites·1 claims
- 0557US4428594AWheel assemblies for use with wheelchairsQUADRA WHEELCHAIRS INC·Filed 1982·Granted Jan 31, 1984·23 cites·45 claims
- 0655US4572576AWheelchair with swingable foot support assembliesQUADRA WHEELCHAIRS INC·Filed 1984·Granted Feb 25, 1986·28 cites·15 claims
- 0753US4515383AWheelchair constructionQUADRA WHEELCHAIRS INC·Filed 1984·Granted May 7, 1985·27 cites·26 claims
- 0849USD277949SFoldable wheelchairQUADRA WHEELCHAIRS INC·Filed 1982·Granted Mar 12, 1985·4 cites·1 claims
- 0944USD271679SWheelchairQUADRA WHEELCHAIRS INC·Filed 1981·Granted Dec 6, 1983·3 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →