Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4386811 | Ball bearing | Hendrik v Engelenburg | 1983-06-07 |
| 4345203 | Device for measuring the lubrication of surfaces rolling or sliding relative to each other and lubricated with a lubricant | Karel N. Vermeiren, Hendrik Dolfsma | 1982-08-17 |
| 4286829 | Bearing for high rotational speeds | — | 1981-09-01 |