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
CA770928A
Inventor
D. Nystrand Ernst
A. Shade Robert
L. Marchant Gerald
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.)
Paper Converting Machine Co
Original Assignee
Paper Converting Machine Co
Publication date
Application grantedgrantedCritical
Publication of CA770928ApublicationCriticalpatent/CA770928A/en