Evan Campbell
2Patents
2h-index
4Co-inventors
37Inventor score
Filing activity: Jul 23, 1974 → Jul 9, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3933431A | Method and apparatus for sampling atmospheric mercury | Emerging Cross-Sectional Technologies | 72 | Expired |
| US5244177A | Hanger for suspending equipment in a storage tank | Physics | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.