Ray H. Johnston
1Patents
1h-index
1Co-inventors
22Inventor score
Filing activity: May 12, 1975 → May 12, 1975
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3968925A | Anti-reflux valve | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.