Inventor · disambiguated record

Joseph O. Duchac

Also filed as: DUCHAC JOSEPH O

2 granted patents·65 citations·filing 1980–1981

66Inventor score

Technology areasB23B

Files withKOPECKO WILLIAM L2

Top patents by PatentIndex Score

2 records

0176US4336730AFixture for resurfacing vehicle brake discsKOPECKO WILLIAM L·Filed 1980·Granted Jun 29, 1982·34 cites·5 claims
0273US4388846AFixture for resurfacing vehicle brake discsKOPECKO WILLIAM L·Filed 1981·Granted Jun 21, 1983·31 cites·8 claims

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