Bert Engman
2Patents
2h-index
2Co-inventors
24Inventor score
Filing activity: Mar 18, 1974 → Mar 18, 1974
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3952822A | Electrically powered wheel-chair for indoor and outdoor use | Emerging Cross-Sectional Technologies | 156 | Expired |
| US3953054A | Hand operated wheel-chair | Performing Operations; Transporting | 89 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.