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.)
Hans Ragnvald Amundsen
Original Assignee
Hans Ragnvald Amundsen
Filing date
Publication date
Application filed by Hans Ragnvald AmundsenfiledCriticalHans Ragnvald Amundsen
Application grantedgrantedCritical
Publication of AU149358B2publicationCriticalpatent/AU149358B2/en
Publication of AU88351ApublicationCriticalpatent/AU88351A/en