Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7477207 | Diving mask with embedded computer system | — | 2009-01-13 |
| 6941226 | Method for determining, recording and sending GPS location data in an underwater environment | — | 2005-09-06 |
| 6384591 | Hands-free signal level meter | Dennis A. Zimmerman | 2002-05-07 |