Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644590 | Active system and method for vibration and noise reduction | George G. Zipfel, Jr., William A. Welsh | 2003-11-11 |
| 6634862 | Hydraulic actuator | Ronald G. Ernst | 2003-10-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644590 | Active system and method for vibration and noise reduction | George G. Zipfel, Jr., William A. Welsh | 2003-11-11 |
| 6634862 | Hydraulic actuator | Ronald G. Ernst | 2003-10-21 |