Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9720264 | Polarization-maintaining optical fibre and preform and method for producing the same | Wolfgang Hämmerle, Robert Hanf, Lothar Brehm | 2017-08-01 |
| 9640970 | Over-voltage protection device having a coil assembly | Christoph Fluhrer | 2017-05-02 |