Donald C. Ulry
3Patents
3h-index
7Co-inventors
47Inventor score
Filing activity: Sep 27, 1982 → Sep 6, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5422667A | Ink jet printing cartridge with circuit element protection system | Performing Operations; Transporting | 19 | Expired |
| US7540597B2 | Process for refilling inkjet cartridges | Performing Operations; Transporting | 15 | Active |
| US4451264A | Surface coloring of polyvinyl resins | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.