Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872212 | Microwave main frame | Mark D. Roos | 1989-10-03 |
| 4813886 | Microwave distribution bar | Mark D. Roos | 1989-03-21 |
| 4800464 | Modular shielding assembly for electronic devices | Mark D. Roos | 1989-01-24 |