Inventor · disambiguated record
Herbert I. Gefvert
Also filed as: GEFVERT HERBERT I
4 granted patents·175 citations·filing 1982–1996
81Inventor score
Technology areasH04R
Files withGEFVERT HERBERT I2
Top patents by PatentIndex Score
4 records- 0180US5533129AMulti-dimensional sound reproduction systemFiled 1994·Granted Jul 2, 1996·78 cites·9 claims
- 0262US4502149AMulti-purpose interchangeable modular auto loudspeaker systemGEFVERT HERBERT I·Filed 1982·Granted Feb 26, 1985·30 cites·5 claims
- 0360US4888804ASound reproduction systemGEFVERT HERBERT I·Filed 1988·Granted Dec 19, 1989·39 cites·19 claims
- 0454US5850457AMulti-dimensional sound reproduction systemFiled 1996·Granted Dec 15, 1998·28 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →