Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884490 | Apparatus for cooling the barrel inner wall of a weapon barrel of a firing weapon | — | 1989-12-05 |
| 4840108 | Apparatus for the infeed of ammunition from an ammunition container to an automatic firing weapon | Kurt Muller, Bruno Ruppen | 1989-06-20 |
| 4798124 | Gas removal apparatus for an automatic firing weapon controlled by the gas pressure | Hans Hafeli | 1989-01-17 |