Rita Tiedt

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Metal halide or sodium high pressure lamp with cermet of alumina, m...
- Patent number 6,181,065
- Issue date Jan 30, 2001
- Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen mbh
- Roland Huettinger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-pressure discharge lamp having a ceramic discharge vessel, sin...
- Patent number 5,625,256
- Issue date Apr 29, 1997
- Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen mbH
- Rita Tiedt
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES