Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663954 | Method and apparatus for the corrugating of metal tubes | Gerhard Ziemek, Herbert Kubiak | 1987-05-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663954 | Method and apparatus for the corrugating of metal tubes | Gerhard Ziemek, Herbert Kubiak | 1987-05-12 |