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
CA646415A
Inventor
E. Denham Kenneth
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.)
Great Western Consolidated NL
Original Assignee
Great Western Consolidated NL
Publication date
Application grantedgrantedCritical
Publication of CA646415ApublicationCriticalpatent/CA646415A/en