Robert A. Ray
8Patents
6h-index
5Co-inventors
56Inventor score
Filing activity: Feb 28, 1977 → Oct 8, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6036659A | Collection device for biological samples and methods of use | Performing Operations; Transporting | 69 | Expired |
| USD364371S | Truck bumper | General | 66 | Expired |
| US6258045A | Collection device for biological samples and methods of use | Performing Operations; Transporting | 37 | Expired |
| US6309887A | Filter paper treatment for improved diagnostic assays | Physics | 31 | Expired |
| US4086061A | Temperature control system for chemical reaction cell | Physics | 22 | Expired |
| US4218535A | Determination of enzyme substrate concentration | Chemistry; Metallurgy | 6 | Expired |
| US6265223A | Diagnostic assay | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6177283A | Diagnostic assay | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.