Richard B. Hoffman
5Patents
3h-index
5Co-inventors
50Inventor score
Filing activity: Apr 7, 1978 → Jul 31, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4693237A | Radiopaque coded ring markers for use in identifying surgical grafts | Human Necessities | 140 | Expired |
| US4602386A | Radiology apron having a waist support means | Human Necessities | 7 | Expired |
| US4137258A | Process for making pure salicylic acid | Chemistry; Metallurgy | 5 | Expired |
| US4527288A | Radiology apron having a waist support means | Human Necessities | 3 | Expired |
| US11001776B2 | System and method of preparing pre-treated biorefinery feedstock from raw and recycled waste cellulosic biomass | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.