The U.S. Patent and 1930 Cadillac V-16 print advertisement demonstrate close role Harley Earl would play in advertising his product designs to the public. 

A LOT OF PEOPLE today don’t know about Harley Earl. Yet they should for there is so much about him that’s good for all of us to know. So you start to tell people about him, and suddenly you discover that Harley Earl was several kinds of man…and that each kind deserves a telling.