Oskar Heumann
2Patents
2h-index
1Co-inventors
24Inventor score
Filing activity: May 9, 1978 → Jun 26, 1978
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4152806A | Toothbrush | Human Necessities | 9 | Expired |
| US4149293A | Adjustable bristle toothbrush | Human Necessities | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.