Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4390811 | High intensity discharge lamp including arc extinguishing means | Harold L. Rothwell, Jr., W. Calvin Gungle | 1983-06-28 |
| 4241276 | Warm color arc discharge lamp having improved efficiency | Elliot F. Wyner | 1980-12-23 |