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
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →