Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5248104 | Wire-unwinding device | Heinrich Groos, Hans Hermanni | 1993-09-28 |
| 5044920 | Heat treatment apparatus for continuously advanced material | — | 1991-09-03 |
| 4347894 | Heat exchanger | — | 1982-09-07 |