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Home > HistoryPod > 31st July 1790: The first U.S. patent was awarded to Samuel Hopkins
Podcast: HistoryPod
Episode:

31st July 1790: The first U.S. patent was awarded to Samuel Hopkins
Category: Society & Culture
Duration: 00:00:00
Publish Date: 2020-07-30 21:05:51
Description: The first U.S. patent was awarded to Samuel Hopkins for an improvement ‘in making Pot ash and Pearl ash by a new Apparatus and ...
Total Play: 0

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