Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5428839 | Planar magic-tee double balanced mixer | Michael J. Friesen | 1995-06-27 |
| 4630012 | Ring shaped dielectric resonator with adjustable tuning screw extending upwardly into ring opening | Ronald D. Fuller | 1986-12-16 |