John Donovan
5Patents
3h-index
4Co-inventors
50Inventor score
Filing activity: Jun 1, 1976 → Oct 10, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4030219A | Portable display apparatus | Physics | 51 | Expired |
| US4166332A | Portable display apparatus | Physics | 46 | Expired |
| US4508513A | Game card device | Emerging Cross-Sectional Technologies | 21 | Expired |
| US12116262B2 | Portable fuel metering system | Performing Operations; Transporting | 1 | Active |
| US12378106B2 | Portable fuel metering system | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.