Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6462473 | Plasma picture screen with terbium(III)-activated phosphor | Thomas Juestel, Gerhard Spekowius, Sybrandus Van Heusden, Siebe Tjerk De Zwart | 2002-10-08 |
| 6414445 | Plasma display panel | Sybrandus Van Heusden, Siebe Tjerk De Zwart | 2002-07-02 |
| 6388644 | Color display device | Siebe Tjerk De Zwart, Sijbrandus Van Heusden | 2002-05-14 |