Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020801 | Gyratory crusher with arrangement for restricting rotation | Bengt-Arne Eriksson, Percy Norrman, Kjell Svensson | 2011-09-20 |
| 7931219 | Anti-spin assembly | Bengt-Arne Eriksson, Percy Norrman | 2011-04-26 |