Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837521 | Delay line control system for automatic test equipment | Richard F. Herlein | 1989-06-06 |
| 4820944 | Method and apparatus for dynamically controlling the timing of signals in automatic test systems | Richard F. Herlein, E. James Cotriss | 1989-04-11 |