Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651440 | Disengageable universal shaft for rolling mill drives | Paul J. Koenen | 1997-07-29 |
| 5479805 | Two-high cross rolling mill with guide disks | Paul J. Koenen | 1996-01-02 |
| 4724697 | Mandrel rod holding device | Heinrich Steinbrecher | 1988-02-16 |