Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6976377 | Method of and apparatus for producing tubes of metal | Thomas Winterfeldt, Norbert Zillekens | 2005-12-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6976377 | Method of and apparatus for producing tubes of metal | Thomas Winterfeldt, Norbert Zillekens | 2005-12-20 |