Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662709 | Hollow piston for a piston engine and method for producing a hollow piston | — | 2003-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662709 | Hollow piston for a piston engine and method for producing a hollow piston | — | 2003-12-16 |