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
CA892904A
Inventor
H. Wolfe Edgar
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.)
BARRETT BINDERY CO
Original Assignee
BARRETT BINDERY CO
Publication date
Application grantedgrantedCritical
Publication of CA892904ApublicationCriticalpatent/CA892904A/en