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.)
R H Hayhurst & Co Ltd
Original Assignee
R H Hayhurst & Co Ltd
Filing date
Publication date
Application filed by R H Hayhurst & Co LtdfiledCriticalR H Hayhurst & Co Ltd
Application grantedgrantedCritical
Publication of AU153127B2publicationCriticalpatent/AU153127B2/en
Publication of AU3794550ApublicationCriticalpatent/AU3794550A/en