Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4747673 | High power optical attenuator | C. Denton Marrs | 1988-05-31 |
| 4322967 | Method and apparatus for measuring optical coupling coefficients | Steven C. Seitel, James Porteus | 1982-04-06 |