Inventor · disambiguated record
W. Sumner Brown
Also filed as: BROWN W SUMNER
3 granted patents·54 citations·filing 1977–1982
71Inventor score
Top patents by PatentIndex Score
3 records- 0186US4228387AVariable reluctance stepper motor drive and method of operation as a DC brushless motorEXXON RESEARCH ENGINEERING CO·Filed 1977·Granted Oct 14, 1980·38 cites·20 claims
- 0257US4141046AFloppy disc data separator for use with single density encodingEXXON RESEARCH ENGINEERING CO·Filed 1977·Granted Feb 20, 1979·10 cites·11 claims
- 0340US4401026AFree flight hammer for impact printerEXXON RESERACH AND ENGINEERING·Filed 1982·Granted Aug 30, 1983·6 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →