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Patents Grants
last 30 patents
Information
Patent Grant
Dielectric barrier discharge lamp having an ignition means
Patent number
6,777,878
Issue date
Aug 17, 2004
Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
Werner Berlinghof
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dielectric barrier discharge lamp
Patent number
6,605,899
Issue date
Aug 12, 2003
Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
Werner Berlinghof
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Dielectric barrier discharge lamp having a starting aid
Publication number
20030011321
Publication date
Jan 16, 2003
Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
Werner Berlinghof
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Dielectric barrier discharge lamp
Publication number
20020163306
Publication date
Nov 7, 2002
Werner Berlinghof
H01 - BASIC ELECTRIC ELEMENTS