Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4464764 | Device for moving solid material fed onto the surface of a melt and for breaking a slag crust formed on the surface of the melt or inside the charge | Frans H. Tuovinen, Risto M. Heikkila, Matti E. Honkaniemi | 1984-08-07 |