Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4685773 | Birefringent optical multiplexer with flattened bandpass | W. John Carlsen | 1987-08-11 |
| 4668045 | Optical fiber centering device | W. John Carlsen | 1987-05-26 |
| 4566761 | Birefringent optical wavelength multiplexer/demultiplexer | W. John Carlsen | 1986-01-28 |
| 4523843 | Optical test set-up for expanded beam connector | W. John Carlsen | 1985-06-18 |
| 4514046 | Polarization-insensitive optical switch and multiplexing apparatus | W. John Carlsen | 1985-04-30 |
| 4504121 | Interferometric multimode fiber optic switch and modulator | W. John Carlsen | 1985-03-12 |
| 4474434 | Polarization-insensitive optical switch apparatus | W. John Carlsen | 1984-10-02 |
| 4474435 | Polarization-insensitive optical switch and multiplexing apparatus | W. John Carlsen | 1984-10-02 |
| 4391487 | Optical fiber centering device | W. John Carlsen | 1983-07-05 |