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
CA671486A
Inventor
Hill Claude
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.)
Harry Ferguson Research Ltd
Original Assignee
Harry Ferguson Research Ltd
Publication date
Application grantedgrantedCritical
Publication of CA671486ApublicationCriticalpatent/CA671486A/en