 Washington's son, George Washington, Jr., served for a time as treasurer of his father's company, and, like his father, dabbled in invention, patenting a widely used photoengraving process for newspapers that was introduced by Fairchild Camera and Instrument in 1948.Washington's at-that-time unique product saw major use as combat rations in World War I.Coffee consumption on the battlefield was seen as valuable since it gave soldiers a caffeine boost.