Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10969264 | Capacitive level sensor and method of measuring the level of a medium | — | 2021-04-06 |
| 8005669 | Method and system for reducing a voice signal noise | Walter Frank | 2011-08-23 |
| 7392177 | Method and system for reducing a voice signal noise | Walter Frank | 2008-06-24 |