Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870677 | Data/facsimile telephone subset apparatus incorporating electrophoretic displays | Denis A. Krusos | 1989-09-26 |
| 4833464 | Electrophoretic information display (EPID) apparatus employing grey scale capability | Denis A. Krusos, Edward Lewit | 1989-05-23 |