Roy B. Jeffries
2Patents
2h-index
6Co-inventors
37Inventor score
Filing activity: Jul 21, 1981 → Jan 16, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4367327A | Breathable, non-porous polyurethane film prepared from a low molecular weight difunctional compound, a polyethylene glycol and a diisocyanate | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5871618A | Apparatus for reclaiming fuel oil from waste oil | Emerging Cross-Sectional Technologies | 19 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.