Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5064397 | Method of manufacturing scandate cathode with scandium oxide film | Jan Hasker, Jacobus E. Crombeen, Petrus Adrianus Maria Van Dorst, Johannes van Esdonk, Josef J. van Lith | 1991-11-12 |
| 4856039 | X-ray tube having a rotary anode with rhenium-containing bearing surfaces for a gallium-alloy lubricant | Cornelius D. Roelandse | 1989-08-08 |
| 4594220 | Method of manufacturing a scandate dispenser cathode and dispenser cathode manufactured by means of the method | Jan Hasker, Johannes van Esdonk, Josef J. van Lith | 1986-06-10 |
| 4583243 | X-ray tube for generating soft X-rays | Willem H. Diemer, Hubertus F. M. Wagemans | 1986-04-15 |
| 4236045 | Electric lamp | Roger J. Q. Van den Plas | 1980-11-25 |
| 4208607 | Electric lamp with tin or lead alloy plug for lead-in | Roger J. Q. Van den Plas | 1980-06-17 |