Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6546310 | Process and device for controlling a metallurgical plant | Otto Gramckow, Gunter Sorgel | 2003-04-08 |
| 5764122 | Winding arrangement of a coil | Walter Muller, Gerhard Doll, Helga Luise Friederike Doll, heir, Achim Vitus Doll, heir, Erwin Hager | 1998-06-09 |