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
CA663636A
Inventor
E. Schober Wayne
A. Anderson Harlee
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.)
Viking of Minneapolis Inc
Original Assignee
Viking of Minneapolis Inc
Publication date
Application grantedgrantedCritical
Publication of CA663636ApublicationCriticalpatent/CA663636A/en