Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6880308 | Lattice girder supporting frame having straight brace parts | Rudi Podjadtke | 2005-04-19 |
| 4187037 | Wall supporting arrangement, especially for supporting mine gallery walls | Lothar Sebastian | 1980-02-05 |