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
AU22962/56A
Inventor
Edward Gerhardt Richard
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.)
Reynolds Metals Co
Original Assignee
Reynolds Metals Co
Filing date
Publication of AU217225B2publicationCriticalpatent/AU217225B2/en
Application filed by Reynolds Metals CofiledCriticalReynolds Metals Co