Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7221454 | Photopolarimeters and spectrophotopolarimaters with multiple diffraction gratings | Shankar Krishnan, James Rix | 2007-05-22 |
| 5812270 | Window contamination detector | Eugene F. Kalley, Sam Paris, David W. Jenkins | 1998-09-22 |