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Holger Haddenhorst
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Gelsenkirchen, DE
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Patents Grants
last 30 patents
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Patent Grant
Al-Si-Mg-Mn casting alloy and method
Patent number
6,773,666
Issue date
Aug 10, 2004
Alcoa Inc.
Jen C. Lin
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Petroleum coke melt cover for aluminum and magnesium alloys
Patent number
6,733,566
Issue date
May 11, 2004
Alcoa Inc.
Que-Tsang Fang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
Al-Si-Mn-Mg alloy for forming automotive structural parts by castin...
Publication number
20050167012
Publication date
Aug 4, 2005
Jen C. Lin
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
AI-Si-Mg-Mn casting alloy and method
Publication number
20040011437
Publication date
Jan 22, 2004
Jen C. Lin
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...