Assignee
INVENTRONICS
9 granted patents·131 citations·filing 1974–1998
Top patents by PatentIndex Score
9 records- 0188US4014242AApparatus for use in the tuning of musical instrumentsINVENTRONICS·Filed 1975·Granted Mar 29, 1977·29 cites·24 claims
- 0286US3968719AMethod for tuning musical instrumentsINVENTRONICS·Filed 1974·Granted Jul 13, 1976·33 cites·10 claims
- 0371US3983473ASeries direct-current voltage regulatorINVENTRONICS·Filed 1974·Granted Sep 28, 1976·17 cites·4 claims
- 0468US3982184APhase different detector and displayINVENTRONICS·Filed 1974·Granted Sep 21, 1976·15 cites·15 claims
- 0558US5285711AMethod and apparatus for tuning musical instrumentsINVENTRONICS·Filed 1992·Granted Feb 15, 1994·19 cites·6 claims
- 0653US4015218ATemperature compensated solid-state oscillatorINVENTRONICS·Filed 1975·Granted Mar 29, 1977·7 cites·16 claims
- 0738US5892166AWound strings for musical instrumentINVENTRONICS·Filed 1997·Granted Apr 6, 1999·7 cites·21 claims
- 0834US5817960AWound strings for musical instruments characterized by reduced inharmonicity and method for making the sameINVENTRONICS·Filed 1997·Granted Oct 6, 1998·4 cites·11 claims
- 0930US5984226AMethod for making wound strings for musical instruments characterized by reduced inharmonicityINVENTRONICS·Filed 1998·Granted Nov 16, 1999·0 cites·11 claims
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