Inventor · disambiguated record
Harold D. Hulterstrum
Also filed as: HULTERSTRUM HAROLD D
5 granted patents·157 citations·filing 1981–1990
83Inventor score
Top patents by PatentIndex Score
5 records- 0180US5060967ACollapsible mobility deviceHULTERSTRUM HAROLD D·Filed 1990·Granted Oct 29, 1991·93 cites·11 claims
- 0265USD326837SMolded wheelPOLY FLEX INC·Filed 1990·Granted Jun 9, 1992·13 cites·1 claims
- 0363US4413804APiston valve and fuel tank assemblyFLAMBEAU PRODUCT CORP·Filed 1981·Granted Nov 8, 1983·17 cites·14 claims
- 0454US4821676ACart assembly for a partially-immobilized animalHULTERSTRUM HAROLD D·Filed 1988·Granted Apr 18, 1989·23 cites·3 claims
- 0550US4930914AApparatus for making tactile impressions on paperENTERPRISES INC K·Filed 1988·Granted Jun 5, 1990·11 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →