Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10808391 | Trenching unit, trenching body and insert | Jan Mieze | 2020-10-20 |
| 10808392 | Drain trench body and center plate | Jan Mieze, Marco Wandkowski | 2020-10-20 |
| 10465344 | Covering device for a slotted channel | Jiri Krcil, Heino Messerschmidt, Jan Mieze | 2019-11-05 |