Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6252708 | Temperature compensator for faraday rotator | Richard J. Sweeney, Henry Ty | 2001-06-26 |
| 6126775 | Method of microfabrication | Richard J. Sweeney | 2000-10-03 |
| 5325456 | Optical isolator in an optical fiber feedthrough | Joseph Anthony Perrotto, David R. Thompson | 1994-06-28 |