John Evan Spirk
1Patents
1h-index
2Co-inventors
22Inventor score
Filing activity: Jan 22, 2021 → Jan 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD1028202S1 | Filter | General | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.