Norman C. Welsh
2Patents
2h-index
3Co-inventors
33Inventor score
Filing activity: Jan 22, 1981 → Jun 23, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4964214A | Flexible safety razors | Performing Operations; Transporting | 53 | Expired |
| US4362174A | Toothbrushes | Human Necessities | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.