Ronald Johnson
5Patents
3h-index
3Co-inventors
50Inventor score
Filing activity: Apr 10, 1980 → May 31, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6966068B2 | Swim cap | Human Necessities | 28 | Expired |
| US4358667A | Cartridge-type electric immersion heating element having an integrally contained thermostat | Electricity | 24 | Expired |
| USD794729S1 | Hockey training aid | General | 7 | Active |
| USD910792S1 | Basketball coaching aide | General | 2 | Active |
| USD820923S1 | Hockey training aid | General | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.