Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876939 | Device for repositioning ammunition feed of an automatic weapon | Gerhard Bilger, Erich Matzagg | 1989-10-31 |
| 4876943 | Automatic machine gun | Gerhard Bilger, Erich Matzagg | 1989-10-31 |
| 4815356 | Breech lock mechanism for automatic firearms | Gerhard Hupp | 1989-03-28 |