Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872212 | Microwave main frame | Walter J. Messmer, III | 1989-10-03 |
| 4839578 | Method for removing phase instabilities caused by flexure of cables in microwave network analyzer measurements | — | 1989-06-13 |
| 4813886 | Microwave distribution bar | Walter J. Messmer, III | 1989-03-21 |
| 4803419 | Testing head device for a microwave network analyzer | — | 1989-02-07 |
| 4800464 | Modular shielding assembly for electronic devices | Walter J. Messmer, III | 1989-01-24 |