Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4900119 | Wavelength selective optical devices using optical directional coupler | Kenneth O. Hill, Derwyn C. Johnson, Francois Bilodeau | 1990-02-13 |
| 4895423 | Fabrication technique for low-loss fused taper directional couplers and pressure sensor produced thereby | Francois Bilodeau, Kenneth O. Hill, Derwyn C. Johnson | 1990-01-23 |