Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688994 | Batting aid | Ronald C. Thorpe | 2004-02-10 |
| 6578416 | Fuel system | Steven M. Vogel, John A. Sturm, Clayton R. Mason, William C. Wolffe | 2003-06-17 |
| 6164132 | Capacitive liquid level indicator | — | 2000-12-26 |