Roy L. Johnson
6Patents
4h-index
1Co-inventors
43Inventor score
Filing activity: Feb 17, 1987 → Jan 13, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4884454A | Manbasket testing apparatus and method | Physics | 30 | Expired |
| USD307839S | Shelf unit | General | 25 | Expired |
| US4987516A | Substrate carrier device | Electricity | 8 | Expired |
| USD435813S | Bumper side panel | General | 7 | Expired |
| US4837657A | Electrostatic discharge device | Electricity | 2 | Expired |
| US4812947A | Device for discharging electrostatic potentials | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.