Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668328 | Method and apparatus for hydraulically tightening threaded fasteners | Dale A. Knutson, Douglas P. Miller | 1997-09-16 |
| 5630440 | Piezo composite sheet actuated valve | Dale A. Knutson | 1997-05-20 |
| 5593134 | Magnetically assisted piezo-electric valve actuator | Dale A. Knutson | 1997-01-14 |