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.)
Expired
Application number
CA633558A
Inventor
D. Gorven Oswald
H. Gibbs Leonard
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.)
CITY COUNCIL OF CITY OF DURBAN
Original Assignee
CITY COUNCIL OF CITY OF DURBAN
Publication date
Application grantedgrantedCritical
Publication of CA633558ApublicationCriticalpatent/CA633558A/en