Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6947621 | Robust heterodyne interferometer optical gauge | Raymond Mark Bell, Jr., Patrick Elliott Perkins, William Anderson | 2005-09-20 |
| 6922249 | Beam masking to reduce cyclic error in beam launcher of interferometer | Raymond Mark Bell, Jr., Kalyan Dutta | 2005-07-26 |
| 6902326 | Off-axis reflective optical apparatus | David F. Leary, Paul V. Mammini | 2005-06-07 |