Inventor · disambiguated record
Donald H. Holdt
Also filed as: HOLDT DONALD · HOLDT DONALD H
6 granted patents·275 citations·filing 1976–1987
87Inventor score
Top patents by PatentIndex Score
6 records- 0182US4222131AHook type fowler for hospital stretchersCHEMED CORP·Filed 1978·Granted Sep 16, 1980·51 cites·17 claims
- 0276US4632450AConvertible wheelchair/litterCAMBRIDGE TECHNOLOGIES INC·Filed 1984·Granted Dec 30, 1986·60 cites·15 claims
- 0374US4795214AConvertible wheelchair/litterCAMBRIDGE TECHNOLOGIES INC·Filed 1987·Granted Jan 3, 1989·61 cites·9 claims
- 0472US4691962AConvertible wheelchair/litterCAMBRIDGE TECHNOLOGIES INC·Filed 1986·Granted Sep 8, 1987·55 cites·17 claims
- 0566US4346487AQuick release manual type Fowler for hospital stretchersWHITTAKER MEDICAL MANUFACTURIN·Filed 1980·Granted Aug 31, 1982·40 cites·17 claims
- 0644US4070992ABoiler blow down controllerCHEMED CORP·Filed 1976·Granted Jan 31, 1978·8 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →