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Christian Wittig
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Munich, DE
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last 30 patents
Information
Patent Grant
Base of an electric discharge lamp with an ignition device
Patent number
6,731,076
Issue date
May 4, 2004
Vogt electronic AG
Karl Gerhard
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ignition device for a discharge lamp and method for igniting a disc...
Patent number
6,181,081
Issue date
Jan 30, 2001
Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
Guenther Hirschmann
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ignition apparatus for a discharge lamp
Patent number
6,049,172
Issue date
Apr 11, 2000
Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen mbH
Guenther Hirschmann
F21 - LIGHTING
Information
Patent Grant
Electric lamp with mechanical connection
Patent number
6,031,323
Issue date
Feb 29, 2000
Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen mbH
Gerhard Behr
F21 - LIGHTING
Information
Patent Grant
High-pressure discharge lamp having decoupled ignition and load cir...
Patent number
5,990,633
Issue date
Nov 23, 1999
Patent-Treuhand-Gessellschaft fur elektrische Gluehlampen mbH
Guenther Hirschmann
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High-pressure discharge lamp and process for producing it
Patent number
5,726,532
Issue date
Mar 10, 1998
Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen mbH
Christian Wittig
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Single-ended, plastic-based high-pressure discharge lamp
Patent number
5,428,261
Issue date
Jun 27, 1995
Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen mbH
Christian Wittig
H01 - BASIC ELECTRIC ELEMENTS