Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
JOHN OSTROWSKI ROGER MORRIS CHRISTENSON and GENE GEREK ROBERT GEORGE DOUDS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PPG Industries Inc
Original Assignee
PPG Industries Inc
Filing date
Publication date
Application filed by PPG Industries IncfiledCriticalPPG Industries Inc
Application grantedgrantedCritical
Publication of AU419997B2publicationCriticalpatent/AU419997B2/en
Publication of AU1950867ApublicationCriticalpatent/AU1950867A/en