Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4414186 | Method and apparatus for calcining limestone in a shaft kiln | Martin Schmidt, Walter Kohler, Hans-Ulrich Loch | 1983-11-08 |
| 4351516 | Swing clamp | Metin Ersoy | 1982-09-28 |