Nazdar grows from a toast in a bar to toast of the screen printing ink industry   Back in 1923, John Pottage Sr. and Ed Owens sat in a Chicago bar, having a beer, when they started talking about a unique process called screen printing that they had come across. Moments later, they hit upon a business idea: forming a company devoted to making screen printing inks. With that, the story goes, they noticed a coaster sitting on the bar with the word “...