Assignee
PEN KEM INC
US·4 granted patents·116 citations·filing 1975–1989
Top patents by PatentIndex Score
4 records- 0187US4154669AAutomatic electrophoresis apparatusPEN KEM INC·Filed 1977·Granted May 15, 1979·36 cites·47 claims
- 0283US4046667AMicroelectrophoresis apparatusPEN KEM INC·Filed 1975·Granted Sep 6, 1977·37 cites·30 claims
- 0364US4907453AColloid analyzerPEN KEM INC·Filed 1989·Granted Mar 13, 1990·29 cites·16 claims
- 0458US4239612AAutomatic electrophoresis apparatusPEN KEM INC·Filed 1979·Granted Dec 16, 1980·14 cites·15 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →