Individual holder
HOFFMAN RICHARD B
US·4 granted patents·216 citations·filing 1984–2008
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0179US11001776B2System and method of preparing pre-treated biorefinery feedstock from raw and recycled waste cellulosic biomassHOFFMAN RICHARD B·Filed 2008·Granted May 11, 2021·4 cites·15 claims
- 0278US4693237ARadiopaque coded ring markers for use in identifying surgical graftsHOFFMAN RICHARD B·Filed 1986·Granted Sep 15, 1987·198 cites·5 claims
- 0327US4602386ARadiology apron having a waist support meansHOFFMAN RICHARD B·Filed 1985·Granted Jul 29, 1986·9 cites·3 claims
- 0425US4527288ARadiology apron having a waist support meansHOFFMAN RICHARD B·Filed 1984·Granted Jul 9, 1985·5 cites·4 claims
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