Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7178443 | Wedge-type breechblock | Helmut Isgen | 2007-02-20 |
| 7171886 | Pipe mortar | Ralf Herrmann, Marold Elspass, Rolf Bartolles | 2007-02-06 |
| 5682011 | Sealing ring arrangement for a spin-stabilized projectile | Udo Sabranski, Ralf Herrmann | 1997-10-28 |
| 4278007 | Hand lever for operating the wedge-type breechblock of an artillery gun | — | 1981-07-14 |