John Parrish
4Patents
3h-index
4Co-inventors
47Inventor score
Filing activity: Nov 3, 1981 → Mar 20, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4911148A | Deflectable-end endoscope with detachable flexible shaft assembly | Human Necessities | 605 | Expired |
| US5250025A | Percutaneous access catheter and method of use | Human Necessities | 123 | Expired |
| US4448207A | Medical fluid measuring system | Physics | 118 | Expired |
| US10641763B2 | Prediction of fertility in males | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.