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The United States patent system: Legal and economic conflicts in American patent history
Author: Floyd L Vaughan   ISBN: B0000EFVVQ   /   Unknown Binding Publisher: University of Oklahoma Press   /   1956
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Economics of our patent system,
Author: Floyd L Vaughan   ISBN: B0006AJHG2   /   Unknown Binding Publisher: The Macmillan Company   /   1925
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Marketing;: Functions, mediums, practices, variations, and appraisal, (Farrar & Rinehart business administration series; S. H. Patterson, editor)
Author: Floyd L Vaughan   ISBN: B0006APJAK   /   Unknown Binding Publisher: Farrar & Rinehart, inc   /   1942
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Marketing and advertising;: An economic appraisal,
Author: Floyd L Vaughan   ISBN: B0006AKHDE   /   Unknown Binding Publisher: Princeton University Press   /   1928
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