Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5573173 | Vacuum tube comprising a ceramic element and a method of interconnecting a ceramic element and a conductive element | Ronald Van Der Wilk, Theodorus H. M. Stevens | 1996-11-12 |
| 5479067 | Vacuum tube comprising a ceramic element and a method of interconnecting a ceramic element and a conductive element | Ronald Van Der Wilk, Theodorus H. M. Stevens | 1995-12-26 |
| 5087854 | Display device and methods of manufacturing such a display device | Maria C. Van Uden, Ronald Van Der Wilk, Werner D. P. Kauwenberg | 1992-02-11 |
| 4876477 | Color television display tube | Johannes A. G. De Deugd | 1989-10-24 |