Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964008 | Rotatable magnetic-head unit for a magnetic-tape apparatus | Budiman Sastra, Jacob G. Fijnvandraat, Leonardus H. M. Maaswinkel | 1990-10-16 |
| 4799421 | Hydrodynamic spiral-grooved journal bearing for electromagnetically rotated and reciprocated compressor piston | Fridtjof Bremer | 1989-01-24 |
| 4210371 | Rotary-anode X-ray tube | Jan Gerkema | 1980-07-01 |