Inventor · disambiguated record
John P. Bertsch
Also filed as: BERTSCH JOHN P
3 granted patents·182 citations·filing 1991–1993
78Inventor score
Files withIVL TECHNOLOGIES LTD3
Top patents by PatentIndex Score
3 records- 0191US5231671AMethod and apparatus for generating vocal harmoniesIVL TECHNOLOGIES LTD·Filed 1991·Granted Jul 27, 1993·81 cites·20 claims
- 0284US5301259AMethod and apparatus for generating vocal harmoniesIVL TECHNOLOGIES LTD·Filed 1993·Granted Apr 5, 1994·65 cites·12 claims
- 0377US5428708AMusical entertainment systemIVL TECHNOLOGIES LTD·Filed 1992·Granted Jun 27, 1995·36 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →