Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823490 | Signal display element for the selective display of information with electromagnetically actuated tilting plates | Laszlo Jaki, Sandor Jodal, Jozsef Mandzsu | 1989-04-25 |