Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831936 | Armor piercing shell | Leif Brattstrom, Hans Gustafsson, Tommy Ström, Sture Cergeus | 1989-05-23 |
| 4481886 | Hollow charge | Leif Brattstrom, Kjell Mattsson | 1984-11-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831936 | Armor piercing shell | Leif Brattstrom, Hans Gustafsson, Tommy Ström, Sture Cergeus | 1989-05-23 |
| 4481886 | Hollow charge | Leif Brattstrom, Kjell Mattsson | 1984-11-13 |