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.)
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
Pittsburgh Plate Glass Co
Filing date
Publication date
Application filed by Pittsburgh Plate Glass CofiledCriticalPittsburgh Plate Glass Co
Application grantedgrantedCritical
Publication of AU262489B2publicationCriticalpatent/AU262489B2/en
Publication of AU1034961ApublicationCriticalpatent/AU1034961A/en