Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743036 | Flat fluorescent light comprising a contact system | Matthias Schweizer | 2004-06-01 |
| 5757129 | Low-pressure mercury-vapor discharge lamp, and method of placing mercury therein | Hubert Schafnitzel, John W. Shaffer | 1998-05-26 |
| 5686788 | Low-pressure discharge lamp with starting amalgam | — | 1997-11-11 |