Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6430162 | Automatic echo cancellation for an integrated services digital network interface | Barry Bielsker | 2002-08-06 |
| 6134224 | Automatic echo cancellation for an integrated services digital network interface | Barry Bielsker | 2000-10-17 |
| 5631958 | Automatic echo cancellation for an integrated services digital network interface | Barry Bielsker | 1997-05-20 |