Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6376967 | Inertial/audio unit and construction | Erik Saarmaa, Kenneth B. Lazarus, Richard Perkins, Mark A. Beauregard | 2002-04-23 |
| 6198206 | Inertial/audio unit and construction | Erik Saarmaa, Kenneth B. Lazarus, Richard Perkins, Mark A. Beauregard | 2001-03-06 |