David Hoover Feather
6Patents
3h-index
8Co-inventors
46Inventor score
Filing activity: Nov 14, 1990 → Jan 17, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5153659A | Multicolor electrophotographic development system with detachable liquid developing devices rotatably mounted | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5655208A | Modular multi-function image-forming apparatus for printing mixed sided and mixed color copy sets | Physics | 16 | Expired |
| US6806017B2 | Electrostatic application of powder material to solid dosage forms | Performing Operations; Transporting | 3 | Expired |
| US5523824A | Switchable self-propelled magnetic brush | Electricity | 2 | Expired |
| US7384661B2 | Electrostatic application of powder material to solid dosage forms in an electric field | Human Necessities | 1 | Expired |
| US7144597B2 | Electrostatic application of powder material to solid dosage forms utilizing an electrically conductive shield | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.