Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452682 | Apparatus to transform two nonparallel propagating optical beam components into two orthogonally polarized beam | Henry A. Hill | 2002-09-17 |
| 6417927 | Method and apparatus for accurately compensating both long and short term fluctuations in the refractive index of air in an interferometer | — | 2002-07-09 |
| 6407816 | Interferometer and method for measuring the refractive index and optical path length effects of air | Henry A. Hill, Frank C. Demarest | 2002-06-18 |