Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4599110 | Process for the production of valve seat rings | Michael Köhler | 1986-07-08 |
| 4299628 | Metal powder composition and article made therefrom | Michael Koehler | 1981-11-10 |
| 4251274 | Metal powder composition | Michael Koehler | 1981-02-17 |