Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4209726 | Low-pressure sodium vapor discharge lamp | Alexander Gray Jack, Johannes van de Bilt | 1980-06-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4209726 | Low-pressure sodium vapor discharge lamp | Alexander Gray Jack, Johannes van de Bilt | 1980-06-24 |