David Calderhead
3Patents
3h-index
3Co-inventors
39Inventor score
Filing activity: Feb 14, 1985 → May 15, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4740468A | Concentrating immunochemical test device and method | Emerging Cross-Sectional Technologies | 185 | Expired |
| US4879215A | Concentrating immunochemical test strip | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5716778A | Concentrating immunochemical test device and method | Emerging Cross-Sectional Technologies | 31 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.