申请人 |
PPG INDUSTRIES, INC., PITTSBURGH, PA., US |
发明人 |
KAHLE, II , CHARLES FRANZ, ALLISON PARK, PA 15101, US;CLAAR, JAMES ANTHONY, MARS, PA 16046, US;KERR, PAUL RAYMOND, ALLISON PARK, PA 15101, US;OLSON, KURT GORDON, GIBSONIA, PA 15044, US;PETTIT, JR., PAUL HERSCHEL, WEXFORD, PA 15090, US |