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
CA754207A
Inventor
A. Vineberg Stephen
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.)
CONVERTO Co CANADA Ltd
Original Assignee
CONVERTO Co CANADA Ltd
Publication date
Application grantedgrantedCritical
Publication of CA754207ApublicationCriticalpatent/CA754207A/en