Inventor · disambiguated record

Frank Obrowski

Also filed as: OBROWSKI FRANK

2 granted patents·47 citations·filing 1977–1977

63Inventor score

Technology areasA47J

Files withWIGO WIDMANN SOEHNE GOTTLOB2

Top patents by PatentIndex Score

2 records

0169US4139761AHousehold coffee machine with calcification indicatorWIGO WIDMANN SOEHNE GOTTLOB·Filed 1977·Granted Feb 13, 1979·36 cites·4 claims
0230US4122763AHousehold coffee machine with calcification indicatorWIGO WIDMANN SOEHNE GOTTLOB·Filed 1977·Granted Oct 31, 1978·11 cites·9 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →