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Otto Thanner
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Schwaz, AT
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last 30 patents
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Patent Grant
Method for manufacturing of grinding wheel
Patent number
4,615,151
Issue date
Oct 7, 1986
Tyrolit Schleifmittelwerke Swarovski K.G.
Johann Huber
B24 - GRINDING POLISHING
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Patent Grant
Method for grinding or cutting a workpiece
Patent number
4,538,384
Issue date
Sep 3, 1985
Johann Huber
B24 - GRINDING POLISHING
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Patent Grant
Abrasive article
Patent number
4,500,325
Issue date
Feb 19, 1985
Tyrolit Schleifmittelworke Swarovski K.G.
Johann Huber
B24 - GRINDING POLISHING