Richard M. Northrup
4Patents
4h-index
8Co-inventors
47Inventor score
Filing activity: Jul 29, 1974 → Oct 9, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4023908A | Direction determining method and apparatus | Physics | 17 | Expired |
| US6099148A | Airway obstruction luminaire | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US3970391A | Direction determining method and apparatus | Physics | 11 | Expired |
| US5850806A | Controllable strobe light system and method for directing the movements of fish | Human Necessities | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.