John Purbrick
3Patents
3h-index
4Co-inventors
36Inventor score
Filing activity: Jul 19, 1996 → Mar 17, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5825895A | Electronic stethoscope | Human Necessities | 101 | Expired |
| US6002777A | Electronic stethoscope | Human Necessities | 87 | Expired |
| US6005951A | Electronic stethoscope | Human Necessities | 25 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.