Essen
Germany
3
2012-01-12
The entities that hold a legal rights for patent applications filed by inventor Graf Wolfram:
Wolfram Graf from Essen, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
ZINC DIFFUSION COATING METHOD
#2 | 2009-10-29Method of Diffusion Zinc Coating
#3 | 2007-12-20Rotor for electric motor, compressor unit provided with rotor, method for producing a rotor for an electric motor
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