Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8941023 | Method for producing welded helical-seam tubes having optimized tube geometry | Franz Martin Knoop | 2015-01-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8941023 | Method for producing welded helical-seam tubes having optimized tube geometry | Franz Martin Knoop | 2015-01-27 |