Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792418 | Process and device for preventing nonparallelism in beam sections | Roland Krengel | 1998-08-11 |
| 5394724 | Edging roll pair for edging flange edges of symmetrical steel sections | Manfred Muller | 1995-03-07 |