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Walter Wetzels
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Eynatten, BE
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Patents Grants
last 30 patents
Information
Patent Grant
Arc cutting device with mechanical material removal
Patent number
4,243,862
Issue date
Jan 6, 1981
Schumag GmbH
Walter Wetzels
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Device for grinding elongated cylindrical workpieces
Patent number
4,112,625
Issue date
Sep 12, 1978
SCHUMAG Schumacher Metallwerke Gesellschaft mit beschankter Haftung
Walter Wetzels
B24 - GRINDING POLISHING
Information
Patent Grant
Method for grinding elongated cylindrical workpieces which are adva...
Patent number
4,063,906
Issue date
Dec 20, 1977
Schumag Schumacher Metallwerke Gesellschaft mit beschrankter Haftung
Walter Wetzels
B24 - GRINDING POLISHING
Information
Patent Grant
Method and apparatus for controlling with increased accuracy a proc...
Patent number
3,999,455
Issue date
Dec 28, 1976
Schumag Schumacher Metallwerke Gesellschaft mit beschrankter Haftung
Walter Wetzels
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Parting tool for severing traveling elongated material into predete...
Patent number
3,945,284
Issue date
Mar 23, 1976
Schumag Schumacher Metallwerke GmbH
Walter Wetzels
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and apparatus for controlling with increased accuracy a proc...
Patent number
3,943,743
Issue date
Mar 16, 1976
Schumag Schumacher Metallwerke Gesellschaft mit beschrankter Haftung
Walter Wetzels
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR