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Thyssen AG, vorm August Thyssen-Hutte
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Duisburg, DE
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Patents Grants
last 30 patents
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Patent Grant
Device for arc welding, in particular submerged-arc welding, with o...
Patent number
4,584,457
Issue date
Apr 22, 1986
Thyssen AG, vorm August Thyssen-Hutte
Ulrich Dilthey
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Trademark
last 30 trademarks
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Trademark
73609533 - RH
Serial number
73609533
Filing date
Jul 11, 1986
THYSSEN AG VORM, AUGUST THYSSEN-HUTTE
40 - Treatment of materials