Inventor · disambiguated record
John L. Sznopek
Also filed as: SZNOPEK JOHN · SZNOPEK JOHN L
5 granted patents·58 citations·filing 1978–1990
78Inventor score
Top patents by PatentIndex Score
5 records- 0162US4329193AMethod of making a coupling for rigid pressure pipeMANVILLE SERVICE CORP·Filed 1980·Granted May 11, 1982·28 cites·8 claims
- 0252US4990543ALightweight flexible inide foam and method of producing sameMANVILLE CORP·Filed 1989·Granted Feb 5, 1991·9 cites·7 claims
- 0351US4319950AMandrel for making a coupling for rigid pressure pipeMANVILLE SERVICE CORP·Filed 1980·Granted Mar 16, 1982·17 cites·5 claims
- 0438US4980387ALightweight flexible imide foam and method of producing sameMANVILLE CORP·Filed 1990·Granted Dec 25, 1990·4 cites·10 claims
- 0521US4354891AMethod of curing polyester resin in the presence of rubberMANVILLE SERVICE CORP·Filed 1978·Granted Oct 19, 1982·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →