About: Raymond W. Ketchledge

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Raymond Waibel Ketchledge (December 8, 1919 – October 23, 1987) was an American engineer, known for his contributions to the first computerized telephone switching control systems.

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  • Raymond Waibel Ketchledge (December 8, 1919 – October 23, 1987) was an American engineer, known for his contributions to the first computerized telephone switching control systems. (en)
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  • 1976 (xsd:integer)
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  • Raymond Waibel Ketchledge (December 8, 1919 – October 23, 1987) was an American engineer, known for his contributions to the first computerized telephone switching control systems. (en)
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  • Raymond W. Ketchledge (en)
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