Seedorf, Ralf
Patent Applications and Registrations
Patent applications and USPTO patent grants for Seedorf, Ralf.The latest application filed is for "short-arc high-pressure discharge lamp for digital projection technologies".
- Seedorf, Ralf - Berlin DE
| Patent | Date |
|---|---|
| Short-arc high-pressure discharge lamp for digital projection technologies App 20020074943 - Mehr, Thomas ; et al. | 2002-06-20 |
| Metal-halide discharge lamp for photooptical purposes Grant 5,691,601 - Frey , et al. November 25, 1 | 1997-11-25 |
| Metal halide gas discharge lamp for projection purposes Grant 5,689,154 - Barthelmes , et al. November 18, 1 | 1997-11-18 |
| High-pressure discharge lamp, particularly low-rated power discharge lamp, with enhanced quality of light output Grant 5,629,585 - Altmann , et al. May 13, 1 | 1997-05-13 |
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