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paten4.cfd

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paten4.cfd

paten4dPatented inventions have, in fact, pervaded every aspect of human life, from electric lhting (patents held by Edison and Swan) and plastic (patents held by Baekeland), to ballpoint pensPATENT definition: 1. the official legal rht to make or sell an invention for a particular number of years: 2…. Learn more.

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