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Gunter Hahlganss
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Kriftel, DE
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last 30 patents
Information
Patent Grant
Circuitry for dimming a fluorescent lamp
Patent number
6,351,080
Issue date
Feb 26, 2002
Mannesmann VDO AG
Berthold Birk
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for producing tactile markings on an input surface and syste...
Patent number
6,067,081
Issue date
May 23, 2000
VDO Adolf Schindling AG
Gunter Hahlganss
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus for electrically connecting a plurality of contacts
Patent number
4,296,457
Issue date
Oct 20, 1981
VDO Adolf Schindling AG
Gunter Hahlganss
G02 - OPTICS