Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7878752 | Bearing between components on construction machines | Ralf Schmeling, Holger Oertel, Birgit Ditz | 2011-02-01 |
| 7549242 | Multiple boom for excavators | Ralf Schmeling, Holger Oertel, Birgit Ditz | 2009-06-23 |