Berlin
Germany
2
2023-05-25
Mike KRÜGER from Berlin, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
METHOD FOR FORMING A BLACK-PASSIVATION LAYER ON A ZINC-IRON ALLOY AND BLACK- PASSIVATION COMPOSITION
AQUEOUS POST TREATMENT COMPOSITION AND METHOD FOR CORROSION PROTECTION
5382120 ⎘