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
CA758892A
Inventor
Laviolette Roger
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.)
Asbestos Corp Ltd
Original Assignee
Asbestos Corp Ltd
Publication date
Application grantedgrantedCritical
Publication of CA758892ApublicationCriticalpatent/CA758892A/en