Individual holder
GROESCHEL CHARLES R
3 granted patents·41 citations·filing 1974–1977
Individually held — no corporate assignee on record.
Technology mixG10H3
Top patents by PatentIndex Score
3 records- 0178US4023456AMusic encoding and decoding apparatusGROESCHEL CHARLES R·Filed 1974·Granted May 17, 1977·28 cites·19 claims
- 0260US4080863AElectrostatic expression encoding apparatus for percussive keyboard instrumentsGROESCHEL CHARLES R·Filed 1976·Granted Mar 28, 1978·11 cites·10 claims
- 0328US4198889AModulation circuitry for use in a music encoding systemGROESCHEL CHARLES R·Filed 1977·Granted Apr 22, 1980·2 cites·7 claims
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