Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875006 | Ultra-high-speed digital test system using electro-optic signal sampling | Francois G. Henley, Hee-June Choi, Dean Kratzer | 1989-10-17 |
| 4862075 | High frequency test head using electro-optics | Hee-June Choi, Francois J. Henley | 1989-08-29 |