Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879194 | Tri-level, highlight color imaging using ionography | — | 1989-11-07 |
| 4839670 | Synchronized aperture motion ionography | — | 1989-06-13 |
| 4837591 | Highlight color imaging by depositing positive and negative ions on a substrate | — | 1989-06-06 |
| 4835461 | Microdeflector probe for electrostatic voltmeter | — | 1989-05-30 |
| 4833503 | Electronic color printing system with sonic toner release development | — | 1989-05-23 |
| 4804996 | Charged particle sensor having magnetic field control | — | 1989-02-14 |
| 4804980 | Laser addressed ionography | — | 1989-02-14 |
| 4801967 | Voltage sensing in A.C. corotrons | — | 1989-01-31 |