Inventor · disambiguated record

Michelle A. Spieth

Also filed as: SPIETH MICHELLE A

1 granted patent·3 citations·filing 1990–1990

22Inventor score

Technology areasY02P

Files withCRA SERVICES1

Top patents by PatentIndex Score

1 record

0126US5262136ARecovery of gold and silver from complex refractory sulphide ores by cyanidisation and oxidation with peroxidesCRA SERVICES·Filed 1990·Granted Nov 16, 1993·3 cites·7 claims

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