Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5050419 | Method for eliminating of longitudinal upset seams | Michael J. Schindler | 1991-09-24 |
| 4995201 | Device for the surface cleaning of a hot deformed pipe end | Wilfried Meyerling | 1991-02-26 |