Pierre Collin
3Patents
3h-index
—Co-inventors
33Inventor score
Filing activity: Jun 4, 1980 → Sep 14, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD271817S | Sponge | General | 67 | Expired |
| US4422641A | Shiftable block puzzle | Human Necessities | 13 | Expired |
| US4835906A | Security grill for window opening | Fixed Constructions | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.