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Bernd Rudolph
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Munich, DE
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last 30 patents
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Patent Grant
Circuit arrangement for operating at least one low-pressure dischar...
Patent number
6,259,213
Issue date
Jul 10, 2001
Ratent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
Bernd Rudolph
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Circuit configuration for operating at least one discharge lamp
Patent number
6,198,231
Issue date
Mar 6, 2001
Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
Bernhard Schemmel
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Circuit arrangement for operating electric lamp
Patent number
5,831,396
Issue date
Nov 3, 1998
Patent-Treuhand-Gesellschaft fuer Gluehlampen mbh
Bernd Rudolph
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Circuit arrangement for operating electric lamps, and an operating...
Patent number
5,825,136
Issue date
Oct 20, 1998
Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen mbH
Bernd Rudolph
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Circuit arrangement for operating electric lamps, and operating met...
Patent number
5,783,911
Issue date
Jul 21, 1998
Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen mbH
Bernd Rudolph
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Semiconductor-controlled operating circuit for one or more low-pres...
Patent number
5,589,740
Issue date
Dec 31, 1996
Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen mbH
Bernd Rudolph
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ballast for one or more fluorescent lamps including threshold sensi...
Patent number
5,583,399
Issue date
Dec 10, 1996
Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen mbH
Bernd Rudolph
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR