Ralph Shaffer
24Patents
7h-index
10Co-inventors
58Inventor score
Filing activity: Oct 14, 1982 → Jun 8, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4822316A | Toy vehicle | Human Necessities | 24 | Expired |
| USD288705S | Toy rabbit figure | General | 20 | Expired |
| USD288585S | Toy lion figure | General | 15 | Expired |
| USD288704S | Toy elephant figure | General | 13 | Expired |
| USD283527S | Toy bear figure | General | 11 | Expired |
| US4674749A | Maze puzzle | Human Necessities | 10 | Expired |
| USD282946S | Toy bear figure | General | 8 | Expired |
| USD283526S | Toy bear figure | General | 5 | Expired |
| USD282947S | Toy bear figure | General | 5 | Expired |
| USD277124S | Toy bear figure | General | 5 | Expired |
| USD282945S | Toy bear figure | General | 4 | Expired |
| USD282948S | Toy bear figure | General | 4 | Expired |
| USD283528S | Toy bear figure | General | 4 | Expired |
| USD288584S | Toy penguin figure | General | 3 | Expired |
| USD290981S | Toy bear figure | General | 3 | Expired |
| USD277021S | Toy bear figure | General | 3 | Expired |
| USD277121S | Toy bear figure | General | 2 | Expired |
| USD290982S | Toy bear figure | General | 1 | Expired |
| USD277123S | Toy bear figure | General | 1 | Expired |
| USD288579S | Toy lamb figure | General | 1 | Expired |
| USD277122S | Toy bear figure | General | 1 | Expired |
| USD288580S | Toy raccoon figure | General | 1 | Expired |
| USD290980S | Toy bear figure | General | 1 | Expired |
| USD277125S | Toy bear figure | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.