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Event of the day: On August 7th, 1955, Tokyo Telecommunications Engineering, the precursor to Sony, started selling its first transistor radios in Japan

Bell Laboratories demonstrated the first transistor on December 23, 1947.The scientific team at Bell Laboratories responsible for the solid-state amplifier included William Shockley, Walter Houser…

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Top 10 Greatest American Patents

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This Day in Patent History - On December 26, 1933, Edwin Armstrong was granted a patent for a two-path FM radio

On December 26, 1933, Edwin Armstrong was granted a patent for a two-path FM radio. He has been called “the most prolific and influential inventor…

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