Archive for July, 2008


Engineering Education Blog: Inventors, Innovators and Patents

Thursday, July 31st, 2008 8:43 am

Written by: Alice Agogino

Today in History - July 31, 1790 - first U.S. patent went to Samuel Hopkins for an improvement “in the making Pot ash and Pearl ash by a new Apparatus and Process.” President George Washington, Attorney General Edmund Randolph, and Secretary of State Thomas Jefferson signed the patent. […]

Posted in Topics: General, Technology

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