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.)
Peter Spence and Sons Ltd
Original Assignee
Peter Spence and Sons Ltd
Filing date
Publication date
Application filed by Peter Spence and Sons LtdfiledCriticalPeter Spence and Sons Ltd
Application grantedgrantedCritical
Publication of AU243974B2publicationCriticalpatent/AU243974B2/en
Publication of AU5034459ApublicationCriticalpatent/AU5034459A/en