5th issued patent for the Harth Group: 9,580,548 “Polycarbonate Containing Compounds and Methods Related Thereto” March 9, 2017/in /by Eva Harth /wp-content/uploads/2018/02/uh.png 0 0 Eva Harth /wp-content/uploads/2018/02/uh.png Eva Harth2017-03-09 18:10:072017-03-09 18:10:075th issued patent for the Harth Group: 9,580,548 “Polycarbonate Containing Compounds and Methods Related Thereto”