 He listed his occupation as chemist.In a 1920 U.S. Passport application, he indicated he was employed as a chemist in the dye business and wished to travel to England for purposes of "protection of my patents".Letters submitted in support of the application indicated that Coe was in business with his father and had successes in "inventing dyes and by-products from waste materials" and was required to travel to England to protect pending patent rights.