Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5777435 | Electric lamp having a current conductor with a kinked longitudinal portion | Wilhelmus Cornelis Claassen, Jacobus J. Boonekamp | 1998-07-07 |
| 4894584 | Electric lamp provided with a getter including palladium | Maarten Walter Steinmann, Johannes J. G. S. A. Willems | 1990-01-16 |