Inventor · disambiguated record
Donald J. Coughenour
Also filed as: BROWN JACK · COUGHENOUR DONALD J · COUGHENOUR DONALD JAY
5 granted patents·75 citations·filing 1976–1979
81Inventor score
Files withSINGER CO5
Top patents by PatentIndex Score
5 records- 0193US4092938ASewing machine with programmable memorySINGER CO·Filed 1976·Granted Jun 6, 1978·25 cites·14 claims
- 0284US4085691ASewing machine with programmable memorySINGER CO·Filed 1976·Granted Apr 25, 1978·16 cites·9 claims
- 0361US4163158ASewing machine bobbin thread run-out alarm using reflected lightSINGER CO·Filed 1978·Granted Jul 31, 1979·18 cites·9 claims
- 0446US4215640AButtonhole stitch methodSINGER CO·Filed 1979·Granted Aug 5, 1980·9 cites·5 claims
- 0540US4184441AElectronically controlled household sewing machine having patch sewing capabilitySINGER CO·Filed 1979·Granted Jan 22, 1980·7 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →