Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639293 | Method and apparatus for production of iron from iron compounds | Hendrikus Koenraad Albertus Meijer, Cornelis P. Teerhuis | 1997-06-17 |
| 5567225 | Method of making pig iron with zinc recovery | Hendrikus Koenraad Albertus Meijer, Cornelis P. Teerhuis | 1996-10-22 |