Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691540 | Assembly for measuring a trench depth parameter of a workpiece | Scott D. Halle, Tadashi Mitsui, Theodore G. van Kessel, Hemantha K. Wickramasinghe | 1997-11-25 |
| 5648268 | Radionuclide exchange detection of ultra trace ionic impurities in water | John Samuel Batchelder, Miro Plechaty, Keith R. Pope | 1997-07-15 |
| 5638176 | Inexpensive interferometric eye tracking system | Theodore G. van Kessel | 1997-06-10 |