Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860605 | Apparatus and system for converting pivoting motion to an axial displacement | Armin Olschewski, Armin Schlereth | 1989-08-29 |
| 4834560 | Plural ring bearing having at least two radially superimposed bearings | Werner Jacob | 1989-05-30 |