Assignee
GRAHAM JOHN F
US·5 granted patents·113 citations·filing 1980–2011
Top patents by PatentIndex Score
5 records- 0195US4807509AElectroluminescent fret grid for stringed instrumentsGRAHAM JOHN F·Filed 1987·Granted Feb 28, 1989·51 cites·9 claims
- 0290US8899937B2Excessive wind portal for wind turbinesGRAHAM JOHN F·Filed 2011·Granted Dec 2, 2014·14 cites·7 claims
- 0377US4949580AAudio analysis systemGRAHAM JOHN F·Filed 1989·Granted Aug 21, 1990·43 cites·40 claims
- 0448US4433538ATextile spinning machinesGRAHAM JOHN F·Filed 1981·Granted Feb 28, 1984·4 cites·10 claims
- 0523US4323361ADyeing methodGRAHAM JOHN F·Filed 1980·Granted Apr 6, 1982·1 cites·5 claims
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