GK
INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Alexander Graham Bell
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Thomas Edison
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George Eastman
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Swift and Armour
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Detailed explanation-1: -Thomas Edison was a prolific inventor and savvy businessman who acquired a record number of 1, 093 patents (singly or jointly) and was the driving force behind such innovations as the phonograph, the incandescent light bulb, the alkaline battery and one of the earliest motion picture cameras.
Detailed explanation-2: -Frederick Shelton: Meet The Guy Who’s Got More Patents Than Thomas Edison | Investor’s Business Daily.
Detailed explanation-3: -Though de Forest held more than 300 patents, his detractors claimed that most of his “inventions” had already been discovered by others. Edwin Howard Armstrong (1890-1954), the inventor of the “Regeneration” and “Superheterodyne” circuits as well as “Frequency Modulation, ‘’ or FM.