申请人 |
PPG INDUSTRIES, INC., PITTSBURGH, PA., US |
发明人 |
SINGLETON, DAVID ELLIS, NATRONA HEIGHTS, PENNSYLVANIA 15065, US;HO, KUO-CHUAN, PITTSBURGH, PENNSYLVANIA 15237, US;GREENBERG, CHARLES BERNARD, MURRYSVILLE, PENNSYLVANIA 15668, US;RUKAVINA, THOMAS GEORGE, LOWER BURRELL, PENNSYLVANIA 15068, US;SLOBODNIK, JOHN BENEDICT, NEW KENSINGTON, PENNSYLVANIA 15068, US |