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.)
THOS FIRTH and JOHN BROWN Ltd
Original Assignee
THOS FIRTH and JOHN BROWN Ltd
Filing date
Publication date
Application filed by THOS FIRTH and JOHN BROWN LtdfiledCriticalTHOS FIRTH and JOHN BROWN Ltd
Application grantedgrantedCritical
Publication of AU133808B2publicationCriticalpatent/AU133808B2/en
Publication of AU491446ApublicationCriticalpatent/AU491446A/en