Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8724482 | POTS extender for voice fallback in a subscriber line | Jeffrey Wissing, Cecil Mathews, Jiri Pek | 2014-05-13 |
| 8233472 | POTS extender for voice fallback in a subscriber line | Jeffrey Wissing, Cecil Mathews, Jiri Pek | 2012-07-31 |