Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6535583 | Voice recompression method and apparatus | Brian Buckler | 2003-03-18 |
| 5805687 | Subscriber equipment muting method and apparatus | David Westergaard | 1998-09-08 |
| 5768367 | Method and apparatus for removing FSK in-band signaling | David Westergaard, Robert Turnbull, Timothy Augustus Kuechler | 1998-06-16 |