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.)
Dudley Industries Ltd
Original Assignee
Dudley Hill Engineering Co Ltd
Filing date
Publication date
Application filed by Dudley Hill Engineering Co LtdfiledCriticalDudley Hill Engineering Co Ltd
Application grantedgrantedCritical
Publication of AU31666ApublicationCriticalpatent/AU31666A/en
Publication of AU411105B2publicationCriticalpatent/AU411105B2/en