Inventor · disambiguated record
Wilford R. Schreier
Also filed as: SCHREIER WILFORD R · SCHREIER WILFORD RAYBURN
6 granted patents·31 citations·filing 1975–1980
79Inventor score
Top patents by PatentIndex Score
6 records- 0170US3971284APlural mode envelope generator for voltage controlled amplifierHAMMOND CORP·Filed 1975·Granted Jul 27, 1976·15 cites·6 claims
- 0242US4000674AOne key chording system for an electronic keyboard instrumentHAMMOND CORP·Filed 1975·Granted Jan 4, 1977·5 cites·2 claims
- 0338US3973463ADelayed vibrato and burble circuitHAMMOND CORP·Filed 1975·Granted Aug 10, 1976·4 cites·4 claims
- 0434US4320682AEnvelope generating circuit for an electronic musical instrumentMARMON CO·Filed 1980·Granted Mar 23, 1982·2 cites·9 claims
- 0532US4300433AHarmony generating circuit for a musical instrumentMARMON CO·Filed 1980·Granted Nov 17, 1981·2 cites·5 claims
- 0629US4304162AElectronic musical instrument including improved vibratoMARMON CO·Filed 1980·Granted Dec 8, 1981·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →