Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631823 | Method of making a connection, particulary a screw connection | Yinzenz Haerle, Wolfgang Backe, Egbert Schneider | 1997-05-20 |
| 5493913 | Power-impact or pulse screwing method | Hans-Werner Rudolf, Bernd Grammer, Heinz Veitinger | 1996-02-27 |