Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871942 | Low-pressure discharge lamp | Adrianus L. J. Burgmans | 1989-10-03 |
| 4221988 | Low pressure gas discharge lamp having fibers evenly distributed between the electrodes | Jan Hasker, Hendrik Roelofs | 1980-09-09 |