Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845723 | Laser transmitter arrangement | Franz Kappeler | 1989-07-04 |
| 4841344 | Light-emitting-diode (LED) with spherical lens | — | 1989-06-20 |
| 4818722 | Method for generating a strip waveguide | — | 1989-04-04 |