Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5060773 | Single-action freewheel clutch with substantially large central diameter | Ulrich Krug, Peter Grunewald | 1991-10-29 |
| 4863294 | Large roller bearing in the form of a wire bearing | Heinrich Wolzenburg | 1989-09-05 |