Encyclopedia Dubuque
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BATTRO, James Louis
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BATTRO, James Louis. (Dubuque, IA--Watertown, MA, July 18, 1957). A pioneer in radio communication, Battro patented several of his inventions including the "inside out magnetron," the only alternative patent for a tube used in radar defense systems. At the time of his death, he was the security chief for his division of the engineering department of the Raytheon Company in Waltham, Massachusetts.
See: PATENTS