To protect it from imitations, on 25 Augest, Hubert Underberg (I) registered the characteristic features of the product with the Commercial Court in Krefeld
– 43 years before the Imperial Patent Office was created in Berlin.
To protect it from imitations, on 25 Augest, Hubert Underberg (I) registered the characteristic features of the product with the Commercial Court in Krefeld
– 43 years before the Imperial Patent Office was created in Berlin.