Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5946770 | Vacuum cleaner comprising an odor filter | Robert-Han Munnig Schmidt, Johannes A.T. Driessen | 1999-09-07 |
| 4890032 | Color display tube having electrode converging means | Antonius J. M. Van Den Beld | 1989-12-26 |
| 4629933 | Cathode-ray tube having an electron gun with an astigmatic focusing grid | Jan Gerritsen | 1986-12-16 |
| 4620134 | Cathode-ray tube | Antonius H. P. M. Peels, Antonius J. M. Van Den Beld, Jan Gerritsen | 1986-10-28 |
| 4358703 | Cathode-ray tube | Henricus W. M. Linssen | 1982-11-09 |
| 4291251 | Color display tube | Helmut Joeres, Johannes H. M. Johanns | 1981-09-22 |
| 4211960 | Method of manufacturing a static convergence unit, and a color display tube comprising a convergence unit manufactured according to the method | Piet G. J. Barten | 1980-07-08 |