Friedhelm Spanke
1Patents
1h-index
1Co-inventors
22Inventor score
Filing activity: Dec 2, 1974 → Dec 2, 1974
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3940781A | Camera diaphragm drive apparatus | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.