Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496260 | Vertical-beam photometer for determination of light absorption pathlength | Calvin Y. H. Chow | 2002-12-17 |
| 6404501 | Determination of light absorption pathlength in a vertical-beam photometer | Calvin Y. H. Chow | 2002-06-11 |
| 6339472 | Determination of light absorption pathlength in a vertical-beam photometer | Calvin T. Chow | 2002-01-15 |