Assignee
MACELVAIN ROBERT C
3 granted patents·45 citations·filing 1975–1977
Top patents by PatentIndex Score
3 records- 0168US4098466AImpact mill for reducing solidsMACELVAIN ROBERT C·Filed 1977·Granted Jul 4, 1978·22 cites·10 claims
- 0260US4214984AMagnetic separationMACELVAIN ROBERT C·Filed 1977·Granted Jul 29, 1980·20 cites·81 claims
- 0327US3976567AMaterial concentratorMACELVAIN ROBERT C·Filed 1975·Granted Aug 24, 1976·3 cites·9 claims
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