A method and an apparatus for producing a product having a magnetically formed pattern, capable of forming any desired pattern in diversely different shapes with a clear visual recognizability, at high speed, by a simple procedure, and a painted product produced by these method and apparatus. The product...http://www.google.es/patents/US5630877?utm_source=gb-gplus-sharePatente US5630877 - Painting with magnetically formed pattern and painted product with magnetically formed pattern
Painting with magnetically formed pattern and painted product with ...
