Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5105693 | Machine tool with movable positioning device | Marinus J. J. Dona | 1992-04-21 |
| 4836692 | Shaft support comprising static fluid bearings | — | 1989-06-06 |
| 4644577 | X-ray tube comprising an anode disc rotatably journalled on a helical-groove bearing | Jan Gerkema, Johan A. Rietdijk | 1987-02-17 |
| 4628238 | Positioning device comprising pre-stressed contactless bearings | Hendricus F. G. Smulders, Marinus J. J. Dona | 1986-12-09 |
| 4449834 | Aerostatic axial thrust bearing | Adrianus J. J. Franken | 1984-05-22 |