Individual holder
CALKINS EDWARD H
3 granted patents·27 citations·filing 1980–1986
Individually held — no corporate assignee on record.
Technology mixA24F3
Top patents by PatentIndex Score
3 records- 0156US4362169AAir flow dry bowl pipeCALKINS EDWARD H·Filed 1980·Granted Dec 7, 1982·20 cites·26 claims
- 0230US4577645AReduced moisture smoker's pipeCALKINS EDWARD H·Filed 1981·Granted Mar 25, 1986·4 cites·25 claims
- 0326US4730626ADry bowl smoker's pipeCALKINS EDWARD H·Filed 1986·Granted Mar 15, 1988·3 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →