Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646380 | High-pressure gas discharge lamp | Hermann Krautzberger, Joseph Franciscus Raymond Eijsermans, Dorothea Seebode | 2003-11-11 |
| 6534918 | High pressure discharge lamp with tungsten electrode rods having second parts with envelope of rhenium | Manfred Peterek, Joseph Franciscus Raymond Eijsermans, Dorothea Seebode, Angela Jörres | 2003-03-18 |