Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4905111 | Damping material of an improved formulation for use on a magnetic head | Wolfgang Tuma, Ulrich Traxlmayr, Walter Kodym, Roeland Den Bakker | 1990-02-27 |
| 4860132 | Rotatable head assembly with offset sub-head gaps | — | 1989-08-22 |
| 4725832 | Electroscopic picture display arrangement | Ties S. Te Velde, Henricus F. A. de Leeuw, Martinus V. C. Stroomer, Karel E. Kuijk | 1988-02-16 |
| 4672357 | Matrix control circuit for a memory display | Geert Warrink | 1987-06-09 |
| 4468661 | Matrix excitation circuit for an oscilloscope display screen comprising a liquid crystal | Cornelis Z. Van Doorn | 1984-08-28 |
| 4353062 | Modulator circuit for a matrix display device | Geert Warrink, Henri Schneider | 1982-10-05 |
| 4342994 | Display device having a liquid crystal | — | 1982-08-03 |