Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5539373 | Rotor structure for a position sensor | David S. Pfaffenberger, Donald G. Witzel | 1996-07-23 |
| 5110381 | Ultrasonic welding with controlled seal compression | David P. Heckard | 1992-05-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5539373 | Rotor structure for a position sensor | David S. Pfaffenberger, Donald G. Witzel | 1996-07-23 |
| 5110381 | Ultrasonic welding with controlled seal compression | David P. Heckard | 1992-05-05 |