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
CA630837A
Inventor
John S. Mctavish
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.)
OFFICE SPECIALTY MANUFACTURING Co Ltd
Original Assignee
OFFICE SPECIALTY MANUFACTURING Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA630837ApublicationCriticalpatent/CA630837A/en