Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8366990 | Repairable slide shutter plate and/or bottom nozzle brick and methods for the manufacture and repair of a repairable slide shutter plate and/or bottom nozzle brick | Erkki Helanto | 2013-02-05 |