// pigment process
Richard McGraw (1905-1978) was born in Iowa in 1905. His father was president of McGraw-Edison, Chicago.
Three patents were filed for McGraw Colorgraph:
|US2385599||March 1943||Color Photography [Ball & Plotin]|
|US2422387||March 1943||Adhesive Temporary Support [Joseph Arthur Ball]|
|US2626858||December 1945||Carbro Process [Richard F. McGraw]|
The McGraw Colorgraph Company was sold to Carnation in 1953.
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