Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5907216 | Low-pressure mercury vapour discharge lamp | Franciscus A. S. Ligthart, Willem Johannes Van Den Bogert, Johannes T.J. Van Haastrecht | 1999-05-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5907216 | Low-pressure mercury vapour discharge lamp | Franciscus A. S. Ligthart, Willem Johannes Van Den Bogert, Johannes T.J. Van Haastrecht | 1999-05-25 |