After examining the application, the board members would issue a patent if they deemed the invention or discovery “sufficiently useful and important.” On July 31, 1790, Samuel Hopkins of Philadelphia, ...

Samuel Hopkins of Pittsford, Vermont snagged the first patent July 31, 1790. His invention improved “the making of Pot ash and Pearl ash by a new apparatus and Process.” Joseph Sampson’s ...

Samuel Hopkins was granted this first patent on July 31, 1790. The Patent Act was momentous, because it acknowledged that rights to what is now known as "intellectual property" were something ...

But I got more than I bargained for. That first patent, issued to a Samuel Hopkins back in 1790, was good for 14 years. It was for an improvement “in the making of Pot ash and Pearl ash by a new ...

Samuel Hopkins of Pittsford, Vt., snagged the first patent on July 31, 1790. His invention improved "the making of Pot ash and Pearl ash by a new apparatus and Process." Joseph Sampson's invention ...

"In 1790, one Samuel Hopkins of Pittsford, Vermont, was granted the first U.S. patent, for an improvement in the making of potash (a substance derived from the ash of burned plant life and used to ...

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It was 225 years ago Friday that Samuel Hopkins of Philadelphia was granted a U.S. patent for his new method of making potash, a salt useful for fertilizer. The patent was signed by George ...