Gary S. Keller
6Patents
4h-index
10Co-inventors
54Inventor score
Filing activity: Mar 27, 1978 → Jan 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5648801A | Grayscale printing system | Electricity | 62 | Expired |
| US5059989A | Thermal edge jet drop-on-demand ink jet print head | Performing Operations; Transporting | 49 | Expired |
| US4791440A | Thermal drop-on-demand ink jet print head | Performing Operations; Transporting | 48 | Expired |
| US4139276A | Electrochromic display devices comprising substituted fluorene compounds | Physics | 28 | Expired |
| US12311335B2 | Composite materials and methods of making and use thereof | Chemistry; Metallurgy | 0 | Active |
| US8083559B1 | Water board cover apparatus and associated method | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.