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
CA766140A
Inventor
M. Heald Alfred
D. Robertson Julius
M. Dickinson George
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.)
Sonoco Products Co
Original Assignee
Sonoco Products Co
Publication date
Application grantedgrantedCritical
Publication of CA766140ApublicationCriticalpatent/CA766140A/en