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Inventor profile of:

Helmut Sieber

City:

Rheinfelded

Country:

Germany

Published Applications:

1

Last publication date:

2009-04-23

Recent patent applications by Sieber Helmut

Helmut Sieber from Rheinfelded, DE has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2009-04-23

US20090100611A1

Chemistry; metallurgy

Acid Dye Composition of Anthraquinone Dyes

InventorID:

3926749 ⎘