申请人 |
PPG INDUSTRIES, INC., PITTSBURGH, PA., US |
发明人 |
SCHMITT, ROBERT JOHN, PITTSBURGH, PA. 15227, US;PEREZ, LEON ANTONIO, PITTSBURGH, PA. 15237, US;MONTAGUE, ROBERT ALAN, ALLISON PARK, PA. 15101, US;TETENBAUM, MARVIN THEODORE, WEXFORD, PA. 15090, US;VAN BUSKIRK, ELLOR JAMES, PITTSBURGH, PA. 15237, US |