Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795725 | Method for the manufacture of refractory bricks containing CaO | Jaap H. Addink, Christiaan M. J. M. Beelen, Adam Steen, Hendrik M. Verhoog | 1989-01-03 |
| 4747985 | Method for the manufacture of a magnesia-carbon brick | Jaap H. Addink, Christian M. J. M. Beelen, Adam Steen, Hendrik M. Verhoog | 1988-05-31 |