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.)
WALTER PARKER and DAVID LESLIE McWRIGHT FREDERICK SPRAGG
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.)
Ernest Spragg & Sons Ltd And Spragga G
Original Assignee
Ernest Spragg & Sons Ltd And Spragga G
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ernest Spragg & Sons Ltd And Spragga GfiledCriticalErnest Spragg & Sons Ltd And Spragga G
Application grantedgrantedCritical
Publication of AU427639B2publicationCriticalpatent/AU427639B2/en
Publication of AU2890867ApublicationCriticalpatent/AU2890867A/en