Inventor dies
Carl Miller, inventor of a duplicating process that doomed carbon paper and created the modern copying industry, has died. He was 73. Mr Miller began working for the 3M company in 1940 and produced a prototype machine in 1944. His process, thermography, used heat-sensitive paper and was commercially introduced by 3M, in 1950 as the Thermo-Fax copier. Mr Miller served as technical director of the division his invention created and retired in 1978. — St , Paul, Minnesota.
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Bibliographic details
Press, 24 April 1986, Page 8
Word Count
78Inventor dies Press, 24 April 1986, Page 8
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