Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8861747 | Self powered audio compressor circuit | Ole N. Christensen | 2014-10-14 |
| RE42093 | Active audio compressing in telecommunication | Ole N. Christensen | 2011-02-01 |
| 7231037 | Active audio compressing in telecommunication | Ole N. Christensen | 2007-06-12 |