Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816267 | Apparatus and method for calibrating an interferometer using a selectively rotatable sphere | Christopher J. Evans, Michael Kuchel | 2004-11-09 |
| 6771375 | Apparatus and method for measuring aspherical optical surfaces and wavefronts | — | 2004-08-03 |
| 6724486 | Helium- Neon laser light source generating two harmonically related, single- frequency wavelengths for use in displacement and dispersion measuring interferometry | William A. Shull | 2004-04-20 |