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.)
Ernest Frederick Hitchcock and Robert Alan Cameron Ker Norman
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.)
CC Wakefield and Co Ltd
Original Assignee
CC Wakefield and Co Ltd
Publication date
Application grantedgrantedCritical
Publication of AU223572B2publicationCriticalpatent/AU223572B2/en
Publication of AU3547358ApublicationCriticalpatent/AU3547358A/en