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
CA899484A
Inventor
A. Howe John
Darkins Brian
Original Assignee
United Carr Canada Ltd
Publication date
Application grantedgrantedCritical
Publication of CA899484ApublicationCriticalpatent/CA899484A/en