The invention relates to methods and apparatuses that reduce problems encountered during coating of a device, such as a medical device having a cylindrical shape. In an embodiment, the invention includes an apparatus including a bi-directional rotation member. In an embodiment, the invention includes...http://www.google.es/patents/US7669548?utm_source=gb-gplus-sharePatente US7669548 - Method and apparatus for coating of substrates
