Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508007 | Height-adjustment device and method for operating an agitating device | Johann Bierer | 2019-12-17 |
| 10336974 | Biogas plant service device | Johann Bierer, Matthias Rabener | 2019-07-02 |