Ivan Spiers
5Patents
4h-index
2Co-inventors
36Inventor score
Filing activity: Nov 22, 2000 → Jul 22, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD451162S | Collapsible snow scooter | General | 15 | Expired |
| USD467199S1 | Hand steerable scooter | General | 7 | Expired |
| US6969076B2 | Hand steerable snow scooter | Performing Operations; Transporting | 7 | Expired |
| US6957818B2 | Hand steerable sports scooter | Performing Operations; Transporting | 5 | Expired |
| US6805364B2 | Hand steerable sports scooter | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.