Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4460842 | Piezoelectric device with high, constant preload force | Jan W. Waanders, Roger A. Colson, David J. Perduijn | 1984-07-17 |
| 4227115 | Color display tube with shadow mask having elongated apertures therein | Leonardus A. M. Elshof | 1980-10-07 |
| 4222642 | Exposure device for the manufacture of cathode-ray tubes for displaying colored pictures and cathode-ray tube manufactured by means of such a device | Johannes C. A. Van Nes | 1980-09-16 |