Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6893282 | Bayonet base for lamp mount | — | 2005-05-17 |
| 6777942 | Operating device for gas discharge lamps with detection of filament breakage | — | 2004-08-17 |
| 6566822 | Electronic circuits for detecting filament breakage in gas discharge lamps | Harald Schmitt | 2003-05-20 |
| 6319046 | Electrical connection unit which can be used with both insulated and stripped leads | Jurgen Feye-Hohmann, Günther Lohmann | 2001-11-20 |
| 5880937 | Electrical circuit arrangement having equipotential surface for reduced high-frequency interference | Stefano Baggio | 1999-03-09 |
| 5757136 | Socket and socket housing for an electric lamp particularly for a suspended or pendant lamp | — | 1998-05-26 |
| D380731 | Combination socket for a fluorescent lamp and accessory circuit, or ballast therefor | — | 1997-07-08 |
| D369781 | Ornamental design for a combination socket and accessory circuit or ballast for a fluorescent lamp | — | 1996-05-14 |
| 5320548 | Screw-in adapter for single-based low-pressure discharge lamp, especially compact fluorescent lamp | — | 1994-06-14 |