Biography
The Plastic Injecto Corp of Union, New Jersey was a subsidiary of the Wm. Kratt Co., a maker of many different harmonica models from the 1940s to the 1970s. Kratt originally made harmonicas in Trossingen, Germany during the 1920s, competing with the giant M. Hohner Company. He emigrated to the USA and was a leading producer of harmonicas for several decades.