Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5432549 | Process and device for measuring targeting in color picture tubes | Joachim Hassler, Kurt Ringer | 1995-07-11 |
| 5404164 | Process and device for convergence measurement in a color picture tube | Joachim Hassler, Gunter Wessels | 1995-04-04 |