Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923420 | Method of manufacturing ceramic translucent material | Gijsbertus De With | 1990-05-08 |
| 4841195 | Discharge lamp having a yttrium aluminum garnet discharge envelope | Gijsbertus De With | 1989-06-20 |