Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8408961 | Method for producing a molybdenum film for the construction of a lamp and molybdenum film and lamp with molybdenum film | Jürgen Becker, Detlef Günther, Andreas Naujoks, Andreas Ponnier | 2013-04-02 |
| 6071164 | Method for producing a high-pressure discharge lamp | — | 2000-06-06 |
| 4948530 | Method to make a reflective coating on high-pressure discharge lamps | Clemens Barthelmes, Andreas Hohlfeld | 1990-08-14 |
| 4666416 | Apparatus for producing consecutive connections between the interiors of glass lamp bulbs and sources of pressurized gas and/or vacuum | — | 1987-05-19 |