5411523
9781413306538
Jack Lo is an inventor and a registered patent agent with many years of experience in preparing and prosecuting patent applications, including making formal patent drawings. He is the co-author of How to Make Patent Drawings Yourself.Pressman, David is the author of 'How to Make Patent Drawings A Patent It Yourself Companion', published 2007 under ISBN 9781413306538 and ISBN 1413306535.
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