Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8313518 | Skin therapy system | John Ripper, Jason Attfield Sagen, Forrest S. Seitz, Stevan Wittenbrock | 2012-11-20 |
| 7896908 | Skin therapy system | John Ripper, Jason Attfield Sagen, Forrest S. Seitz, Stevan Wittenbrock | 2011-03-01 |
| 5463596 | Noninvasive ultrasonic proximity detector for a fluid actuated cylinder | — | 1995-10-31 |
| 5459698 | Noninvasive ultrasonic proximity detector for a fluid actuated cylinder | — | 1995-10-17 |
| 5151840 | Switch protection circuit | — | 1992-09-29 |