Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4506135 | Method and apparatus for manufacturing heat exchanger tubes | Gerhard Ziemek, Friedrich Schatz, Dieter Muller | 1985-03-19 |
| 4233832 | Method and apparatus for rolling metal wire or rod into wide, flat strips | — | 1980-11-18 |