Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6734631 | Low-pressure gas discharge lamp with phosphor coating | Thomas Juestel, Claus Feldmann, Hans-Otto Jungk, Walter Mayr | 2004-05-11 |
| 6731070 | Low-pressure gas discharge lamp with a mercury-free gas filling | Robert Scholl, Achim Koerber, Johannes Baier, Thomas Juestel, Peter Josef Schmidt | 2004-05-04 |