Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055365 | Electrostatic proofing of negative color separations | John T. Alston | 1991-10-08 |
| 5030530 | Method of electrostatic color proofing | — | 1991-07-09 |
| 4986211 | Toning method and member for electrostatography | Joseph R. Coulter, Jr. | 1991-01-22 |
| 4764443 | Method of image reversal in color electrophotography | — | 1988-08-16 |
| 4681806 | Particles containing releasable fill material and method of making same | Richard J. Treleaven | 1987-07-21 |
| 4504138 | Method and apparatus for developing electrostatic latent images | Manfred R. Kuehnle, Kenneth D. Fraser | 1985-03-12 |
| 4447516 | Dry toner and method of making same | — | 1984-05-08 |
| 4398497 | Liquid electrophotographic toner applicator | — | 1983-08-16 |
| 4362764 | Electrostatic printing of markers for cutting fabric involves image transfer and two toners | Robert J. Wright | 1982-12-07 |
| 4307169 | Microcapsular electroscopic marking particles | — | 1981-12-22 |