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.)
Johannes Pieter Vangelder
Original Assignee
Johannes Pieter Vangelder
Filing date
Publication date
Application filed by Johannes Pieter VangelderfiledCriticalJohannes Pieter Vangelder
Application grantedgrantedCritical
Publication of AU146284B2publicationCriticalpatent/AU146284B2/en
Publication of AU3327050ApublicationCriticalpatent/AU3327050A/en