Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6304029 | Low pressure mercury discharge lamp having a mercury holder with reduced lead oxide | Frank Gerardus Cornelis De Bot, Johannes A. G. Van Dongen | 2001-10-16 |
| 6048241 | Method of manufacturing a low-pressure mercury discharge lamp | Antonius J. Spaapen | 2000-04-11 |
| 5917276 | Low-pressure mercury discharge lamp having mercury capsule with a convex-shape | Antonius J. Spaapen | 1999-06-29 |
| 4994710 | Adaptor for a low-pressure discharge lamp | Bauke J. Roelevink, Johannes A. A. M. Van Heeswijk | 1991-02-19 |
| 4907998 | A resiliently deformable container for mercury, and lamp and method of its manufacture using such a container | William L. Kuijer, Jacobus P. K. M. Van As | 1990-03-13 |