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.)
Sewage And Water Purification Co (proprietary) Ltd Actual Coventon Frederick Harold Smith
Original Assignee
Sewage And Water Purification Co (proprietary) Ltd Actual Coventon Frederick Harold Smith
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Publication date
Application filed by Sewage And Water Purification Co (proprietary) Ltd Actual Coventon Frederick Harold SmithfiledCriticalSewage And Water Purification Co (proprietary) Ltd Actual Coventon Frederick Harold Smith
Application grantedgrantedCritical
Publication of AU226719B2publicationCriticalpatent/AU226719B2/en
Publication of AU3512758ApublicationCriticalpatent/AU3512758A/en