Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211553 | Method of refining of melts by means of a pulverous solid material and/or a gas | Matti E. Honkaniemi, Helge Krogerus, Launo L. Lilja, Juho K. Makinen, Frans H. Tuovinen | 1980-07-08 |