Hopkins Harvey L

Hopkins Harvey L

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2.
Law and Facts on Patents and Inventions. A Practical and Legal Business Guide for Developing, Patenting, Perfecting, Manufacturing and Operating Inventions. Compiled From a Life of Experience. What to Do and What Not to Do ..
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3.
Law and Facts on a Patents and Inventions: A Practical and Legal Business Guide for Developing, Patenting, Perfecting, Manufacturing and Operating Inventions; Compiled from a Life of Experience; What to Do and What Not to Do (Classic Reprint)NR
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4.
Law and Facts on a Patents and Inventions: A Practical and Legal Business Guide for Developing, Patenting, Perfecting, Manufacturing and Operating Inventions; Compiled from a Life of Experience; What to Do and What Not to Do (Classic Reprint)NR
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