Donald Ratner
7Patents
5h-index
5Co-inventors
56Inventor score
Filing activity: Mar 19, 1992 → Jul 14, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5427372A | Applying patches and impressing patterns on ball | Performing Operations; Transporting | 51 | Expired |
| US5503699A | Applying patches from mold cavity surface on ball and impressing patterns | Performing Operations; Transporting | 42 | Expired |
| US5354053A | Play ball | Performing Operations; Transporting | 30 | Expired |
| USD797200S1 | Motor scooter | General | 13 | Active |
| US5266980A | Synchronized audio visual story-telling toy | Physics | 8 | Expired |
| USD797199S1 | Motor scooter | General | 5 | Active |
| USD823790S1 | Charger | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.