Assignee
INVENTRONICS
9 patents
Top patents by PatentIndex Score
US3968719AJul 13, 1976
Method for tuning musical instruments
INVENTRONICS33 citations92
US5285711AFeb 15, 1994
Method and apparatus for tuning musical instruments
INVENTRONICS19 citations82
US4014242AMar 29, 1977
Apparatus for use in the tuning of musical instruments
INVENTRONICS29 citations82
US5892166AApr 6, 1999
Wound strings for musical instrument
INVENTRONICS7 citations73
US4015218AMar 29, 1977
Temperature compensated solid-state oscillator
INVENTRONICS7 citations73
US3983473ASep 28, 1976
Series direct-current voltage regulator
INVENTRONICS17 citations73
US3982184ASep 21, 1976
Phase different detector and display
INVENTRONICS15 citations73
US5817960AOct 6, 1998
Wound strings for musical instruments characterized by reduced inharmonicity and method for making the same
INVENTRONICS4 citations62
US5984226ANov 16, 1999
Method for making wound strings for musical instruments characterized by reduced inharmonicity
INVENTRONICS0 citations52