Frank Johnson
2Patents
2h-index
3Co-inventors
41Inventor score
Filing activity: Aug 13, 1976 → Jul 27, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4067663A | Sewage pump priming system | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US6120479A | Auto-destruct disposable syringe | Human Necessities | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.