Barbara Plain
7Patents
5h-index
13Co-inventors
60Inventor score
Filing activity: Sep 14, 1995 → Dec 18, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6179682A | Teaching toy telephone | Human Necessities | 33 | Expired |
| US6532314B1 | Talking toy scanner | Physics | 18 | Expired |
| USD420405S | Teaching toy telephone | General | 11 | Expired |
| USD377949S | Digital/analog teaching clock | General | 10 | Expired |
| USD890861S1 | Toy robot | General | 7 | Active |
| US7351062B2 | Educational devices, systems and methods using optical character recognition | Physics | 1 | Expired |
| US11648485B2 | Toy robot | Human Necessities | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.