Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7791436 | Radio frequency filter having coupled transmission lines and an acoustic impedance element | Stig Rooth, Stein Hollung | 2010-09-07 |
| 5757248 | Arrangement for matching and tuning a surface acoustic wave filter utilizing adjustable microstrip lines | — | 1998-05-26 |