Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4720656 | Discharge lamp having envelope support spacer | David W. Johnston | 1988-01-19 |
| 4282455 | Mercury dispenser for arc discharge lamps | Frank M. Latassa, Roland L. Bienvenue, John Wallace | 1981-08-04 |