Inventor · disambiguated record
Richard B. Hoffman
Also filed as: HOFFMAN RICHARD · HOFFMAN RICHARD B
5 granted patents·229 citations·filing 1978–2008
81Inventor score
Top patents by PatentIndex Score
5 records- 0180US4137258AProcess for making pure salicylic acidDOW CHEMICAL CO·Filed 1978·Granted Jan 30, 1979·13 cites·4 claims
- 0279US11001776B2System 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
- 0378US4693237ARadiopaque coded ring markers for use in identifying surgical graftsHOFFMAN RICHARD B·Filed 1986·Granted Sep 15, 1987·198 cites·5 claims
- 0427US4602386ARadiology apron having a waist support meansHOFFMAN RICHARD B·Filed 1985·Granted Jul 29, 1986·9 cites·3 claims
- 0525US4527288ARadiology apron having a waist support meansHOFFMAN RICHARD B·Filed 1984·Granted Jul 9, 1985·5 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →