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Michael Rammensee
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Mainz, DE
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Patents Grants
last 30 patents
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Patent Grant
Bipolar-transistor and method for the production of a bipolar-trans...
Patent number
7,563,685
Issue date
Jul 21, 2009
PREMA Semiconductor GmbH
Hartmut Grützediek
H01 - BASIC ELECTRIC ELEMENTS
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last 30 patents
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Patent Application
Bipolar-Transistor And Method For The Production Of A Bipolar-Trans...
Publication number
20070273007
Publication date
Nov 29, 2007
Hartmut Grutzediek
H01 - BASIC ELECTRIC ELEMENTS