Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8648532 | Compact HID lamp with multiple protective envelopes | Ronald Johannes Gelten, Alexander Dunaevsky | 2014-02-11 |
| 5408157 | Dual arc tube discharge lamp having a lamp frame with coplanar spot welds and slip-free construction | John Alderman, Louis B. Dubowicz, Edward Putnam, Norman R. King | 1995-04-18 |
| 5028845 | High-pressure series arc discharge lamp construction | Jagannathan Ravi, Kenneth E. Pearson, Jay J. Palmer, Ronald C. Marburger, John P. Dunn +5 more | 1991-07-02 |
| 4910427 | Glow starter holder with protection against R.F. overheating | Kris Aelterman | 1990-03-20 |
| 4906888 | Arrangement for supporting two discharge tubes in one envelope | John P. Dunn | 1990-03-06 |
| 4868449 | Sheet metal support for dual arc discharge lamps and method of making | John P. Dunn | 1989-09-19 |