Inventor · disambiguated record
William L. Fismer
Also filed as: BEACH WILLIAM A · FISMER WILLIAM L
4 granted patents·69 citations·filing 1977–1980
76Inventor score
Technology areasB01D
Files withENVIROTECH CORP4
Top patents by PatentIndex Score
4 records- 0172US4229304AMolded thermoplastic filter plateENVIROTECH CORP·Filed 1979·Granted Oct 21, 1980·30 cites·12 claims
- 0260US4217224AFilter plateENVIROTECH CORP·Filed 1978·Granted Aug 12, 1980·20 cites·13 claims
- 0359US4105560AFilter plate shifterENVIROTECH CORP·Filed 1977·Granted Aug 8, 1978·19 cites·12 claims
- 0422US4293417AFilter pressENVIROTECH CORP·Filed 1980·Granted Oct 6, 1981·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →