Inventor · disambiguated record
Donald V. Hillegass
Also filed as: HILLEGASS DONALD V
7 granted patents·589 citations·filing 1976–1991
90Inventor score
Top patents by PatentIndex Score
7 records- 0192US5133753AMethod for expanding a self-sealing tissue prosthesisMEDICAL ENG CORP·Filed 1991·Granted Jul 28, 1992·121 cites·7 claims
- 0288US5066303ASelf-sealing tissue expander and methodMEDICAL ENG CORP·Filed 1989·Granted Nov 19, 1991·80 cites·39 claims
- 0378US4874360AUreteral stent systemMEDICAL ENG CORP·Filed 1988·Granted Oct 17, 1989·157 cites·1 claims
- 0472US4151345AMethod of making polyurethane utilizing nickel acetylacetonateGOODYEAR TIRE & RUBBER·Filed 1977·Granted Apr 24, 1979·18 cites·3 claims
- 0569US5074878ATissue expander and methodMEDICAL ENG CORP·Filed 1991·Granted Dec 24, 1991·153 cites·20 claims
- 0658US4131667APreparation of polyurethane composite mold by injection moldingGOODYEAR TIRE & RUBBER·Filed 1976·Granted Dec 26, 1978·17 cites·2 claims
- 0753US4817637ASubcutaneous injection and withdrawal siteMEDICAL ENG CORP·Filed 1987·Granted Apr 4, 1989·43 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →