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Submission Summary: 0 pending, 5 declined, 1 accepted (6 total, 16.67% accepted)

Patents

+ - U. S. Patent Anniversary

Submitted by Ophion
Ophion (58479) writes "July 31, 1790 — The U.S. Patent Office opened for business and granted the first U.S. patent (TIFF plugin required) to Samuel Hopkins of Philadelphia for "making pot and pearl ashes," a cleaning formula used in soapmaking. The patent was signed by both George Washington and Thomas Jefferson."

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