Inventor · disambiguated record

Alfred S. Hayden

Also filed as: HAYDEN ALFRED S

2 granted patents·15 citations·filing 1992–1993

57Inventor score

Technology areasC22B Y02P

Files withPRIME RESOURCES GROUP INC2

Top patents by PatentIndex Score

2 records

0145US5320720AExtraction of precious metals from ores thereofPRIME RESOURCES GROUP INC·Filed 1993·Granted Jun 14, 1994·7 cites·10 claims
0238US5256189AAqueous oxidation of sulfidic silver orePRIME RESOURCES GROUP INC·Filed 1992·Granted Oct 26, 1993·8 cites·18 claims

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