Inventor · disambiguated record
Donald H. Petcen
Also filed as: PETCEN DONALD H
7 granted patents·227 citations·filing 1983–1991
88Inventor score
Top patents by PatentIndex Score
7 records- 0185US5090814ADispenser for reactive chemicalsCARPENTER E R CO INC·Filed 1989·Granted Feb 25, 1992·50 cites·32 claims
- 0280US4540532AMethod and apparatus for molding ophthalmic lensesCOBURN OPTICAL IND·Filed 1984·Granted Sep 10, 1985·32 cites·8 claims
- 0376US4623708APrepolymerization of monomer compositions containing diethylene glycol bis(allyl carbonate)COBURN OPTICAL IND·Filed 1985·Granted Nov 18, 1986·30 cites·42 claims
- 0471US4543146AWrinkle prevention in glass/plastic composite lensesCOBURN OPTICAL IND·Filed 1984·Granted Sep 24, 1985·41 cites·9 claims
- 0567US5211311ACartridge for a dispenser of reactive chemicalsCARPENTER E R CO INC·Filed 1991·Granted May 18, 1993·33 cites·17 claims
- 0665US4495015AControlled wafer relaxing in making composite lensesCOBURN OPTICAL IND·Filed 1983·Granted Jan 22, 1985·32 cites·8 claims
- 0747US4494344AWrinkle prevention frame for lens manufactureCOBURN OPTICAL IND·Filed 1983·Granted Jan 22, 1985·9 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →