Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7945940 | Security rating method | Jan Branzell, Mikael Gustafsson, Anders Rodrick | 2011-05-17 |
| 4583575 | Wear means for drum barker | — | 1986-04-22 |
| 4293014 | Barking drum | — | 1981-10-06 |