Grant Johnston
3Patents
1h-index
3Co-inventors
41Inventor score
Filing activity: Mar 4, 1976 → Feb 5, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4043557A | Apparatus and method involving the chance selection of sound recorded race results | Human Necessities | 3 | Expired |
| US5063149A | Performing an enzyme-catalyzed reaction | Chemistry; Metallurgy | 1 | Expired |
| US10996042B2 | Measuring device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.