Robert Johnson
5Patents
3h-index
17Co-inventors
54Inventor score
Filing activity: Dec 1, 1988 → Jan 16, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4916822A | Angle and distance measuring instrument | Physics | 17 | Expired |
| USD848757S1 | Travel lap tray | General | 11 | Active |
| US6018328A | Self-forming rib reflector | Electricity | 9 | Expired |
| US4903747A | Lock for bi-fold doors and the like | Emerging Cross-Sectional Technologies | 2 | Expired |
| US12312857B2 | Door actuation system and method | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.