Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798681 | Luminescent quartz glass, method of preparing such a glass and luminescent screen provided with such a glass | Gerrit Oversluizen, Joseph G. Van Lierop | 1989-01-17 |
| 4798768 | Luminescent alumino-silicate and/or alumino-borate glass comprising lanthanum and/or gadolinium and luminescent screen provided with such a glass | Gerrit Oversluizen | 1989-01-17 |