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Klaus Stockwald
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Munich, DE
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last 30 patents
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Patent Grant
High pressure discharge lamp having a ceramic discharge vessel
Patent number
6,819,048
Issue date
Nov 16, 2004
Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
Klaus Stockwald
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Mercury-free metal halide lamp with a fill containing halides of ha...
Patent number
6,483,241
Issue date
Nov 19, 2002
Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
Klaus Stockwald
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Mercury-free metal halide lamp
Patent number
6,469,446
Issue date
Oct 22, 2002
Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
Klaus Stockwald
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal halide lamp with a starting aid
Patent number
6,222,320
Issue date
Apr 24, 2001
Patent-Truehand-Gesellschaft fuer elektrische Gluelampen mbH
Klaus Stockwald
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Mercury-free metal halide lamp
Patent number
6,069,456
Issue date
May 30, 2000
Osram Sylvania Inc.
Dietrich Fromm
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for operating a lighting system and suitable lighting system...
Patent number
5,994,849
Issue date
Nov 30, 1999
Patent-Treuhand-Gesellschaft fuer electrische Gluehlampen mbH
Frank Vollkommer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Discharge lamp with galvanic and dielectric electrodes and method
Patent number
5,965,988
Issue date
Oct 12, 1999
Patent-Treuhand-Gesellschaft fur elektrische Gluehlampen mbH
Frank Vollkommer
H01 - BASIC ELECTRIC ELEMENTS