Roy Johnson
2Patents
2h-index
2Co-inventors
27Inventor score
Filing activity: Nov 14, 1988 → Nov 13, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5080427A | Impact beam | Performing Operations; Transporting | 36 | Expired |
| US4871184A | Guide assembly for a trailer hitch structure | Performing Operations; Transporting | 25 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.