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.)
Cen-Viro Pipe Corp
Original Assignee
Cen-Viro Pipe Corp
Filing date
Publication date
Application filed by Cen-Viro Pipe CorpfiledCriticalCen-Viro Pipe Corp
Application grantedgrantedCritical
Publication of AU220619B2publicationCriticalpatent/AU220619B2/en
Publication of AU3487358ApublicationCriticalpatent/AU3487358A/en