Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6693778 | Diode fault detection and ground fault detection systems | David P. Swartz | 2004-02-17 |
| 5837909 | Telemetry based shaft torque measurement system for hollow shafts | Stephen L. Bill, David P. Swartz, Allen A. Sweet | 1998-11-17 |