Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883211 | Explosive powder charge operated fastening element setting device | Ernst Thuer, Gerhard Ehmig | 1989-11-28 |
| 4883212 | Explosive powder charge operated setting device | — | 1989-11-28 |