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.)
Expired
Application number
AU21439/77A
Inventor
Richard Henry Dickerman
Anthony Walby Wakefield
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.)
DICKERMAN OVERSEAS ENG
Original Assignee
DICKERMAN OVERSEAS ENG
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 DICKERMAN OVERSEAS ENGfiledCriticalDICKERMAN OVERSEAS ENG
Publication of AU2143977ApublicationCriticalpatent/AU2143977A/en