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…
Tag: radio
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…