Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5178808 | End seal manufacture for ceramic arc tubes | George A. Fryburg | 1993-01-12 |
| 4295075 | Arc discharge lamp having ceramic arc tube | Edward A. Webb, John F. McKenna | 1981-10-13 |