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.)
Tamrock Canada Inc
Original Assignee
Tamrock Canada Inc
Filing date
Publication of AU492359B2publicationCriticalpatent/AU492359B2/en
Priority claimed from US506667Aexternal-prioritypatent/US3917009A/en
Application filed by Tamrock Canada IncfiledCriticalTamrock Canada Inc
Publication of AU8401875ApublicationCriticalpatent/AU8401875A/en