Individual holder
EPNER R L
US·3 granted patents·93 citations·filing 1979–1989
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0183US4276147AApparatus for recovery of metals from solutionEPNER R L·Filed 1979·Granted Jun 30, 1981·32 cites·14 claims
- 0282US4863580AWaste metal extraction apparatusEPNER R L·Filed 1988·Granted Sep 5, 1989·42 cites·49 claims
- 0351US4960500AWaste metal extraction apparatusEPNER R L·Filed 1989·Granted Oct 2, 1990·19 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →