Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839665 | Method and apparatus for controlling the electrical charging of drops in an ink jet recording apparatus | Bo A. Samuelsson | 1989-06-13 |
| 4800396 | Compensation method and device for ink droplet deviation of an ink jet | — | 1989-01-24 |