Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703265 | Monofunctional n--(2--cyanoethenyl)sulfonamides | John C. Wilson | 1997-12-30 |
| 5700611 | Method for forming overlapping toner images | Michael T. Regan | 1997-12-23 |
| 5681680 | Difunctional N-(2-cyanoethenyl) sulfonamides and toner compositions containing them | John C. Wilson | 1997-10-28 |
| 5678131 | Apparatus and method for regulating toning contrast and extending developer life by long-term adjustment of toner concentration | Allen J. Rushing | 1997-10-14 |
| 5616797 | N-(carbonyl, carbonimidoyl, carbonothioyl)sulfonamide charge control agents and toners and developers | John C. Wilson, Steven M. Bonser | 1997-04-01 |