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Save 5% Ingenious Patents (Revised): Bubble Wrap, Barbed Wire, Bionic Eyes, and Other Pioneering Inventions
Ben IkensonCurrent price €27.08Original price €28.50Discover some of the most innovative of the 6.5 million patents that the U.S. Patent and Trademark Office has granted since Thomas Jefferson issued...
View full detailsCurrent price €27.08Original price €28.50Save 5%
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