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
CA681921A
Inventor
A. Sherman Robert
H. Roberts Lawrence
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.)
Corrugating Technicians Inc
Original Assignee
Corrugating Technicians Inc
Publication date
Application grantedgrantedCritical
Publication of CA681921ApublicationCriticalpatent/CA681921A/en