Inventor · disambiguated record

John F. Spisak

Also filed as: SPISAK JOHN F

1 granted patent·111 citations·filing 1983–1983

53Inventor score

Technology areasB03D

Files withANSCHUTZ MINING CORP1

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1 record

0189US4460459ASequential flotation of sulfide oresANSCHUTZ MINING CORP·Filed 1983·Granted Jul 17, 1984·111 cites·13 claims

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John F. Spisak — Patent Inventor | PatentIndex