Ralph C. Marshall
3Patents
3h-index
3Co-inventors
39Inventor score
Filing activity: Nov 27, 1978 → Aug 11, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4182131A | High efficiency air conditioner | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4700695A | Mandible motion apparatus | Human Necessities | 13 | Expired |
| US4637225A | Air conditioning apparatus | Mechanical Engineering; Lighting; Heating | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.