Walter Crooks
7Patents
5h-index
13Co-inventors
60Inventor score
Filing activity: Feb 3, 1971 → Oct 11, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4103066A | Polycarbonate ribbon for non-impact printing | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4253775A | Apparatus for re-inking a ribbon in a thermal transfer printing system | Performing Operations; Transporting | 18 | Expired |
| US4456915A | Print head for high resolution electrothermal printing apparatus | Performing Operations; Transporting | 8 | Expired |
| US4187329A | Electrophotographic developing process and compositions for use therein | Physics | 7 | Expired |
| US4810119A | Resistive ribbon for high resolution printing | Emerging Cross-Sectional Technologies | 5 | Expired |
| US3977871A | Electrophotographic developer with fibers of polytetrafluoroethylene | Physics | 3 | Expired |
| US5079086A | Magnetic recording media | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.