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.)
Expired - Lifetime
Application number
AU458/54A
Inventor
Albert Adamsky Walter
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 of AU200695B2publicationCriticalpatent/AU200695B2/en
Application filed by Pittsburgh Plate Glass CofiledCriticalPittsburgh Plate Glass Co