Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812804 | Broadband polarization filter | Werner Speldrich | 2004-11-02 |
| 6768395 | Polarization separating filter having a polarization separating plate | Werner Speldrich | 2004-07-27 |
| 6756861 | Junction for orthogonally oriented waveguides | Werner Speldrich | 2004-06-29 |