Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4658466 | Blocking device for the wheels and wheel frames of casters | Lothar Steinhaus | 1987-04-21 |
| 4653139 | Caster with a plain thrust bearing between the wheel frame and the frame carrier | Lothar Steinhaus | 1987-03-31 |