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Leif Pettersson
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Vasteras, SE
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Patents Grants
last 30 patents
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Patent Grant
Electric insulation material, an electric device comprising the ins...
Patent number
8,178,780
Issue date
May 15, 2012
ABB Research Ltd.
Olof Hjortstam
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a varistor
Patent number
7,525,409
Issue date
Apr 28, 2009
ABB Research Ltd.
Åke Öberg
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
Electric Insulation Material, An Electric Device Comprising The Ins...
Publication number
20110030987
Publication date
Feb 10, 2011
Olof Hjortstam
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of Manufacturing a Varistor
Publication number
20080129442
Publication date
Jun 5, 2008
ABB Research Ltd.
Ake Oberg
H01 - BASIC ELECTRIC ELEMENTS