Hans R. Espig
2Patents
2h-index
3Co-inventors
37Inventor score
Filing activity: May 5, 1978 → Mar 15, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4189526A | Metal/oxygen cells and method for optimizing the active life properties thereof | Electricity | 59 | Expired |
| US5139453A | Shape sorting educational toy | Human Necessities | 40 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.