Ralph Francis Walker
1Patents
1h-index
2Co-inventors
22Inventor score
Filing activity: Nov 18, 2002 → Nov 18, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7725972B2 | Toothbrush | Performing Operations; Transporting | 15 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.