Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5932819 | Deflection ring of sintered MgZn-ferrite material, cathode ray tube comprising such a ring and moulding made from this material | Pieter Jan Van Der Zaag, Pieter J. Van Der Valk | 1999-08-03 |
| 5912529 | Display device comprising a display tube having an external shield against the earth's magnetic field | Henricus Kunnen | 1999-06-15 |
| 5841225 | Deflection ring of sintered MgZn-ferrite material, cathode ray tube comprising such a ring and moulding made from this material | Pieter Jan Van Der Zaag, Pieter J. Van Der Valk | 1998-11-24 |
| 5644191 | Color display tube having an external magnetic shield | Willem Nicolaas SCHOUTEN | 1997-07-01 |
| 5559401 | Color display device comprising a color display tube and a delaying demagnetizing device | — | 1996-09-24 |
| 5434470 | Colour display tube having an internal magnetic shield | Willem Nicolaas SCHOUTEN | 1995-07-18 |
| 5234775 | Soft magnetic multilayer film and magnetic head provided with such a soft magnetic multilayer film | Franciscus W. A. Dirne, Cornelis H. M. Witmer, Johannes A. M. Tolboom, Peter Lasinski | 1993-08-10 |
| 4685012 | Magnetic head with anisotropy in plane of core ports | Marcel Brouha, Ulrich E. Enz, Kornelis Jager, Albertus J. C. Van Der Borst, Gijsbertus W. Turk | 1987-08-04 |
| 4497699 | Method of treating foil for electrolytic capacitors | Albertus W. M. Van Berlo, Cornelis Crevecoeur | 1985-02-05 |