Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6894447 | Electrically actuated slide room extension | John Friede | 2005-05-17 |
| 6684138 | Dynamic platform leveling system | John Friede | 2004-01-27 |
| 6665597 | Automatic suspension control system for motor vehicles | Paul Edmund Hanser, John Friede | 2003-12-16 |
| 6590758 | Wakeup and safety circuits | John Friede, Dan Boddicker | 2003-07-08 |