Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6271625 | Picture display device provided with an electron gun, and electron gun for use in such a device | Edwin A. Montie, Adrianus H. E. Van Rijsewijk, Johannes Th. Peerlings | 2001-08-07 |
| 6259195 | Cathode ray tube provided with an electron gun, and electrostatic lens system | Edwin A. Montie, Ronald Van Der Wilk | 2001-07-10 |
| 5448134 | Cathode ray tube having improved structure for controlling image quality | — | 1995-09-05 |
| 5256934 | Display tube comprising an electron gun with a resistive focusing lens | Ger-Wim J. Goorhuis, Gerardus J. A. Hellings, Gerardus A. H. M. Vrijssen, Tjerk G. Spanjer | 1993-10-26 |
| 4961022 | Display tube including a helical focusing lens with a non-rotationally symmetrical lens element | Gerardus J. A. Hellings, Antonius W. F. van der Heijden, Erich E. Himmelbauer, Gerardus A. H. M. Vrijssen, Tjerk G. Spanjer +1 more | 1990-10-02 |