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
CA809640A
Inventor
Paul Smits
William E. Cooke
Jacques F. Cote
David E. Bury
Original Assignee
Aluminium Laboratories Ltd
Publication date
Application grantedgrantedCritical
Publication of CA809640ApublicationCriticalpatent/CA809640A/en