1887 The first cold water paint spray machine to whitewash expansive sub- basements. 1919 The first hand spray gun. 1934 The Original Binks Model 7 MODERN GUNS Spray guns are used in all applications from NASA to NASCAR... Conventional HVLP 1971 The first patent of a conversion HVLP spray gun Reduced Pressure 2002 Reduced Pressure Gravity Feed Guns