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
CA669962A
Inventor
Langlie Howard
B. Nelson Ellsworth
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.)
North Central Plastics Inc
Original Assignee
North Central Plastics Inc
Publication date
Application grantedgrantedCritical
Publication of CA669962ApublicationCriticalpatent/CA669962A/en