Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4676826 | Method and apparatus for pneumatic feeding or additives into converters | Markku J. Jortikka, Eino H. Forss, Harry A. Heino, Erkki A. Lajunen, Toivo E. Julkunen +1 more | 1987-06-30 |