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HELGE LEHMANN
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HURTGENWALD, DE
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last 30 patents
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Patent Grant
Copper-ceramic substrate, copper precursor for producing a copper-c...
Patent number
10,988,418
Issue date
Apr 27, 2021
AURUBIS STOLBERG GMBH & CO. KG
Karl Zeiger
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
COPPER STRIP FOR MAKING ELECTRICAL CONTACTS AND PROCESS FOR PRODUCI...
Publication number
20210218171
Publication date
Jul 15, 2021
AURUBIS STOLBERG GMBH & CO. KG
BENJAMIN CAPPI
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
COPPER-CERAMIC SUBSTRATE
Publication number
20210002179
Publication date
Jan 7, 2021
AURUBIS STOLBERG GMBH & CO. KG
HELGE LEHMANN
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Patent Application
COPPER-CERAMIC SUBSTRATE, COPPER PRECURSOR FOR PRODUCING A COPPER-C...
Publication number
20190002358
Publication date
Jan 3, 2019
AURUBIS STOLBERG GMBH & CO. KG
KARL ZEIGER
B32 - LAYERED PRODUCTS