John L. Stephens
5Patents
4h-index
5Co-inventors
50Inventor score
Filing activity: Mar 13, 1985 → Apr 9, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5154348A | Snow-gun oscillation control apparatus | Mechanical Engineering; Lighting; Heating | 46 | Expired |
| US5031832A | Automated snow-making system | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| USD291515S | Sun visor for a cradle or the like | General | 6 | Expired |
| US5988385A | Frying pan protector | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9765084B2 | Recovery and refining of dianhydrosugars | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.