Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006753 | Scandate cathode exhibiting scandium segregation | Jan Hasker, Jacobus E. Crombeen, Henricus J. H. Stoffelen | 1991-04-09 |
| 4562587 | X-Ray tube having a rotary anode | Jan Gerkema, Jozef B. Pelzer | 1985-12-31 |