Issued Patents All Time
Showing 76–89 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6437504 | Cold-end device of a low-pressure mercury vapor discharge lamp | — | 2002-08-20 |
| 6344708 | Energy saving lamp with plastic base | — | 2002-02-05 |
| D444580 | Fluorescent tube | — | 2001-07-03 |
| D438652 | Fluorescent tube | — | 2001-03-06 |
| 6114810 | Electronic ballast circuit for fluorescent lamps which have a high Q factor and high resonance voltage | — | 2000-09-05 |
| D430317 | Fluorescent lamp | — | 2000-08-29 |
| D426900 | Energy saving tube | — | 2000-06-20 |
| D413398 | Fluorescent tube | — | 1999-08-31 |
| D407833 | Reflection lamp | — | 1999-04-06 |
| D406908 | 4U fluorescent tube | — | 1999-03-16 |
| D390674 | Fluorescent tube | — | 1998-02-10 |
| 5549496 | Method of producing a low-pressure mercury vapor discharge lamp | — | 1996-08-27 |
| 5423704 | Method of producing a low-pressure mercury vapor discharge lamp | — | 1995-06-13 |
| D353899 | Fluorescent tube | — | 1994-12-27 |