Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5169046 | Method and apparatus for fracturing connecting rods | Walter Miessen, Michael Hahnel | 1992-12-08 |
| 5115564 | Method for fracturing connecting rods | Walter Miessen, Michael Hahnel | 1992-05-26 |