// 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:

Patent	Date	Title
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.