Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685215 | Hydraulic piston engine driven by a lubricant-free, water-based fluid | Hardy Peter Jepsen | 1997-11-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685215 | Hydraulic piston engine driven by a lubricant-free, water-based fluid | Hardy Peter Jepsen | 1997-11-11 |