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
CA670615A
Inventor
G. Shepherd Charles
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.)
Garcy Company of Canada Ltd
Original Assignee
Garcy Company of Canada Ltd
Publication date
Application grantedgrantedCritical
Publication of CA670615ApublicationCriticalpatent/CA670615A/en