Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483255 | Gas discharge lamp with separately operating electrode groups | Frank Vollkommer, Lothar Hitzschke | 2002-11-19 |
| 6411039 | Discharge lamp for dielectrically impeded discharges with improved electrode configuration | Frank Vollkommer, Lothar Hitzschke | 2002-06-25 |
| 6399145 | Method for coating lamp bulbs | Frank Vollkommer | 2002-06-04 |
| 6388391 | Operating method for a discharge lamp having at least one dielectrically impeded electrode | Gerwin Thiel | 2002-05-14 |