Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4709182 | Method and apparatus for tightening or loosening screw-type connections | Hanno Wenske, Arnold Gallien, Martin Kauschinger, Klaus Unger, Lutz Hans-Joachim Lampe | 1987-11-24 |