Inventor · disambiguated record
Paul F. Duffer
Also filed as: DUFFER PAUL F
9 granted patents·92 citations·filing 1979–1985
89Inventor score
Files withPPG INDUSTRIES INC9
Top patents by PatentIndex Score
9 records- 0177US4254046AMethod for making dimethyltin difluoridePPG INDUSTRIES INC·Filed 1979·Granted Mar 3, 1981·10 cites·6 claims
- 0263US4489106ATwo step interleaving methodPPG INDUSTRIES INC·Filed 1982·Granted Dec 18, 1984·15 cites·8 claims
- 0350US4530889AAcidified powdered interleavingPPG INDUSTRIES INC·Filed 1981·Granted Jul 23, 1985·10 cites·9 claims
- 0448US4447496AOrganotin surface treatment and interleaving material for glass sheetsPPG INDUSTRIES INC·Filed 1982·Granted May 8, 1984·10 cites·6 claims
- 0547US4529648AMethod of applying interleaving material to glass sheetsPPG INDUSTRIES INC·Filed 1981·Granted Jul 16, 1985·10 cites·16 claims
- 0647US4360544AOrganotin surface treatment and interleaving material for glass sheetsPPG INDUSTRIES INC·Filed 1981·Granted Nov 23, 1982·10 cites·9 claims
- 0745US4606946AMethod of applying interleaving material to glass sheetsPPG INDUSTRIES INC·Filed 1985·Granted Aug 19, 1986·9 cites·10 claims
- 0844US4568605AAcidified powdered interleavingPPG INDUSTRIES INC·Filed 1985·Granted Feb 4, 1986·9 cites·10 claims
- 0944US4487807AMixed acid stain inhibitorPPG INDUSTRIES INC·Filed 1982·Granted Dec 11, 1984·9 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →