Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878185 | Digital measuring instrument | Klaus Brand, Jurgen Kopainsky | 1989-10-31 |
| 4797587 | Triggering method for a thyristor switch | Christoph Tschudi | 1989-01-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878185 | Digital measuring instrument | Klaus Brand, Jurgen Kopainsky | 1989-10-31 |
| 4797587 | Triggering method for a thyristor switch | Christoph Tschudi | 1989-01-10 |