Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6700171 | Gate dielectric | James Gupta | 2004-03-02 |
| 4745421 | Ionic print cartridge and printer | Robert McCallum, Paul E. Plasschaert, Hemant Gandhi | 1988-05-17 |
| 4679060 | Ionic print cartridge and printer | Robert McCallum, Paul E. Plasschaert, Hemant Gandhi | 1987-07-07 |
| 4619515 | Electrostatic printing apparatus and method | Andrzej Maczuszenko, Ernest Davison, Brian D. Otter, Brian F. Whittaker, Christopher Novak | 1986-10-28 |
| 4595277 | Toner supply control system | Andrzej Maczuszenko, Sotos M. Theodoulou, Kenneth L. Hurley | 1986-06-17 |
| 4516847 | Electrostatic printing apparatus and method | Andrzej Maczuszenko, Ernest Davison, Brian D. Otter, Brian F. Whittaker, Christopher Novak | 1985-05-14 |
| 4514781 | Corona device | Paul E. Plasschaert, Harold W. Cobb | 1985-04-30 |
| 4254424 | Electrostatic recording apparatus | Shy-Shung Hwang, Charles Nesta, Gino F. Squassoni | 1981-03-03 |