Inventor · disambiguated record

Edward Walter Ostapczuk

Also filed as: OSTAPCZUK EDWARD WALTER

2 granted patents·26 citations·filing 1976–1976

58Inventor score

Technology areasD05B H05K

Files withSINGER CO2

Top patents by PatentIndex Score

2 records

0189US4055131AElectronic control arrangement for sewing machinesSINGER CO·Filed 1976·Granted Oct 25, 1977·23 cites·3 claims
0229US4004528AHeat sink for an appliance circuit boardSINGER CO·Filed 1976·Granted Jan 25, 1977·3 cites·4 claims

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