How to Invent and Protect Your Invention: A Guide to Patents for Scientists and EngineersE-bookHow to Invent and Protect Your Invention: A Guide to Patents for Scientists and EngineersdeJoseph P. KennedyNota: 0 de 5 estrelas0 notasSalve How to Invent and Protect Your Invention: A Guide to Patents for Scientists and Engineers para mais tarde