Frederick B. Robjent
7Patents
5h-index
7Co-inventors
56Inventor score
Filing activity: Jan 22, 1980 → Jul 29, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4553767A | Roller skate with integral ratchet means | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6461218B1 | Remotely controlled toy motorized snake | Human Necessities | 24 | Expired |
| USD282095S | Roller skate | General | 16 | Expired |
| USD347237S | Roller skate | General | 13 | Expired |
| US6746297B2 | Toy building construction set | Human Necessities | 13 | Expired |
| US4793610A | Toy airplane amusement game | Human Necessities | 5 | Expired |
| US4342250A | Harmonica | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.