Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980236 | Composite body | Joris J. C. Oomen | 1990-12-25 |
| 4740403 | Composite body | Joris J. C. Oomen, Ronald Hehemann | 1988-04-26 |
| 4721886 | High-pressure discharge lamp with precision end seal structure | Joris J. C. Oomen, Jacobus Marinus Maria Claassens | 1988-01-26 |
| 4501799 | Composite body for gas discharge lamp | Antonius J. G. C. Driessen, Eise B. Geertsema, Joris J. C. Oomen | 1985-02-26 |