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
CA821545A
Inventor
F. Heron Gordon
B. Gettins Robert
O. Halstead John
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.)
Turner Brothers Asbestos Co Ltd
Original Assignee
Turner Brothers Asbestos Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA821545ApublicationCriticalpatent/CA821545A/en