Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4756252 | Device for reducing the base resistance of airborne projectiles | Ulf Melhus, Lennart Johansson, Arne Franzen | 1988-07-12 |
| 4654093 | Method of producing progressively burning artillery propellant powder and agent adapted thereto | Hermann Schmid | 1987-03-31 |
| 4597994 | Method of producing progressively burning artillery propellant powder and agent adapted thereto | Hermann Schmid | 1986-07-01 |