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.)
FRANCIS TRIGG PARFREY
Original Assignee
FRANCIS TRIGG PARFREY
Filing date
Publication date
Application filed by FRANCIS TRIGG PARFREYfiledCriticalFRANCIS TRIGG PARFREY
Application grantedgrantedCritical
Publication of AU163661B2publicationCriticalpatent/AU163661B2/en
Publication of AU696651ApublicationCriticalpatent/AU696651A/en