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.)
ALFRED ARTHUR GRAHAME CHAPMAN
Original Assignee
ALFRED ARTHUR GRAHAME CHAPMAN
Filing date
Publication date
Application filed by ALFRED ARTHUR GRAHAME CHAPMANfiledCriticalALFRED ARTHUR GRAHAME CHAPMAN
Application grantedgrantedCritical
Publication of AU157738B2publicationCriticalpatent/AU157738B2/en
Publication of AU234551ApublicationCriticalpatent/AU234551A/en