Roy R. Johnson
4Patents
3h-index
1Co-inventors
40Inventor score
Filing activity: Nov 10, 1975 → Oct 25, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4659134A | Roll up tarp assembly | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5248086A | Thin invert compositions for spray application | Human Necessities | 16 | Expired |
| US4084908A | Repetitive output laser system and method using target reflectivity | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4776882A | Concentrated basal spray | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.