Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358388 | Noise reduction at the second order frequency | Danny M. Wakefield, Donald R. Zimmerer, David Malaney | 1994-10-25 |
| RE34746 | Open-center steering control unit with flow amplification | Dwight B. Stephenson, Donald M. Haarstad | 1994-10-04 |