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Date: 2012-03-22 08:40:13Patent law Patent offices Nikola Tesla Wireless energy transfer Selman Waksman Thomas Edison Edwin Howard Armstrong George Westinghouse United States Patent and Trademark Office Science and technology in the United States United States Electronic engineering | Microsoft PowerPoint - HISTORY and InventorspptxAdd to Reading ListSource URL: www.cooperdunham.comDownload Document from Source WebsiteFile Size: 1,19 MBShare Document on Facebook |