Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5337837 | Dual-diameter pneumatic ground piercing tool | Robert F. Crane, Jon A. Haas, Payce D. Reynolds | 1994-08-16 |
| 5317953 | Neutral-centering valve control system | — | 1994-06-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5337837 | Dual-diameter pneumatic ground piercing tool | Robert F. Crane, Jon A. Haas, Payce D. Reynolds | 1994-08-16 |
| 5317953 | Neutral-centering valve control system | — | 1994-06-07 |