申请人 |
PPG INDUSTRIES, INC., PITTSBURGH, PA., US |
发明人 |
NEWCAMP, GEORGE CLARENCE, PITTSBURGH, PA. 15238, US;MCCONNELL, JOHN F., PITTSBURGH, PA. 15220, US;CARIPOLTI, RICHARD A., LOWER BURRELL, PA. 15068, US;JOHNSTON, ROBERT F. JR., PITTSBURGH, PA. 15228, US;ROSS, JR., PAUL R., PITTSBURGH, PA. 15235, US;PETER, JOHN W., LOVELAND OHIO 45140, US |