Inventor · disambiguated record

H. Jan Roorda

Also filed as: ROORDA H JAN

1 granted patent·14 citations·filing 1979–1979

36Inventor score

Technology areasC22B

Files withAMAX INC1

Top patents by PatentIndex Score

1 record

0167US4214901AHydrometallurgical refining of nickeliferous sulfidesAMAX INC·Filed 1979·Granted Jul 29, 1980·14 cites·36 claims

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