Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5064397 | Method of manufacturing scandate cathode with scandium oxide film | Jan Hasker, Jacobus E. Crombeen, Johannes van Esdonk, Pieter Hokkeling, Josef J. van Lith | 1991-11-12 |