Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4541811 | Method of manufacturing a low-pressure mercury vapor discharge lamp and low-pressure mercury vapor discharge lamp manufactured by this method | Sybrandus Van Heusden | 1985-09-17 |
| 4539508 | Method of producing a low-pressure mercury vapor discharge lamp | Sybrandus Van Heusden | 1985-09-03 |