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Tag: US223898
This Day in Patent History - On January 27, 1880, Thomas A. Edison received a patent for"an electric lamp for giving light by incandescence"
On January 27, 1880, Thomas A. Edison received a patent for”an electric lamp for giving light by incandescence”. Edison famously summarized his quest for the…
Light Bulb
Patent Information Publication number: US223898 A Patent Title: Electric lamp Publication type: Grant Publication date: Jan 27, 1880 Filing date: Nov 4, 1879 Priority…