Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7605676 | Directional coupler | Andrzej Sawicki | 2009-10-20 |
| 7075387 | Directional coupler, antenna interface unit and radio base station having an antenna interface unit | Peter Pääkkönen, Andrzej Plotka | 2006-07-11 |