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
CA664607A
Inventor
J. Bishop Leonard
S. Gottschalk Eric
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.)
Mechanical Handling Systems Inc
Original Assignee
Mechanical Handling Systems Inc
Publication date
Application grantedgrantedCritical
Publication of CA664607ApublicationCriticalpatent/CA664607A/en