John c. koss, creator of the world's first stereophone, has died

Milwaukee, wis., dec. 22, 2021 (globe newswire) -- musician, entrepreneur, and inventor john c. koss passed away tuesday, december 21, 2021, at 91. he was the founder and former chairman of koss corporation, a consumer electronics company mr. koss created in 1953 initially to rent television sets to hospital patients.
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