Matches in DBpedia 2015-10 for { ?s ?p "Hugh S. Knowles (September 23, 1904 in Hynes Iowa – April 22, 1988) was an American acoustical engineer, inventor, and manufacturer in the hearing aids field. He was the holder of more than 50 patents in acoustics and related fields. In 1946, Knowles founded Knowles Electronics, one of the world's major manufacturers of microphones, especially for medical applications."@en }
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- Hugh_S._Knowles comment "Hugh S. Knowles (September 23, 1904 in Hynes Iowa – April 22, 1988) was an American acoustical engineer, inventor, and manufacturer in the hearing aids field. He was the holder of more than 50 patents in acoustics and related fields. In 1946, Knowles founded Knowles Electronics, one of the world's major manufacturers of microphones, especially for medical applications.".