Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5896004 | Double ended quartz lamp with end bend control | Joseph Feldman, Richard L. Hansler, Walter Chapman, John M. Davenport, Rocco T. Giordano +3 more | 1999-04-20 |
| 5214357 | Low-loss L-C drive circuit for an electrodeless high intensity discharge lamp | James T. Dakin, Mark E. Duffy, Raymond A. Heindl | 1993-05-25 |
| 4891554 | Arc discharge lamp having improved performance | Mark E. Duffy | 1990-01-02 |