Joly MacFieMar 5 2026 – USPTO – Alexander Graham Bell’s Telephone Patent: 150 years, a world of connection
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On March 5, 2026, the United States Patent and Trademark Office (USPTO) hosted a commemorative event 'Alexander Graham Bell's Telephone Patent: 150 years, a world of connection' marking the 150th anniversary of Bell’s telephone patent (granted March 7, 1876). The pr
