Individual holder
ROSEN WILLIAM E
US·3 granted patents·21 citations·filing 1975–1991
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0142US5158099AWetted impact barrier for the reduction of tar and nicotine in cigarette smokeROSEN WILLIAM E·Filed 1989·Granted Oct 27, 1992·10 cites·2 claims
- 0238US5240015AWetted impact barrier for the reduction of tar and nicotine in cigarette smokeROSEN WILLIAM E·Filed 1991·Granted Aug 31, 1993·9 cites·1 claims
- 0331US4013082ATobacco expansion processROSEN WILLIAM E·Filed 1975·Granted Mar 22, 1977·2 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →