Inventor · disambiguated record
Jack C. Otto
Also filed as: OTTO JACK C
3 granted patents·86 citations·filing 1980–1981
72Inventor score
Files withENVIROTECH CORP3
Top patents by PatentIndex Score
3 records- 0193US4256553ARecovering copper from chalcopyrite concentrateENVIROTECH CORP·Filed 1980·Granted Mar 17, 1981·72 cites·26 claims
- 0256US4290865ARecovering copper from a copper-bearing sourceENVIROTECH CORP·Filed 1980·Granted Sep 22, 1981·10 cites·12 claims
- 0337US4359376ARecovering copper from a copper-bearing sourceENVIROTECH CORP·Filed 1981·Granted Nov 16, 1982·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →