Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6259420 | Antenna element with helical radiation members | Sven-Olof Brattstrom | 2001-07-10 |
| 5929824 | Antenna element, conically helical, for polarization purity within a broad frequency range | Jan-Olof Johansson | 1999-07-27 |