Douglas H. Ring (March 28, 1907 in Montana – September 8, 2000 in Red Bank, New Jersey) was one of the Bell Labs engineers that invented the cell phone. The history of cellular phone technology began on December 11, 1947 with an internal memo written by Douglas H. Ring in which he proposed development of a cellular telephone system by AT&T.
You can find people similar to Douglas H. Ring by visiting our lists 20th-century American inventors and 20th-century American engineers.
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Date of birth | 28 March 1907
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Place of birth | Montana
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Date of death | 8 September 2000
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Age | 93 (age at death)
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Place of death | Red Bank, New Jersey
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