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
CA596948A
Inventor
M. Atkinson Frederick
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.)
ATKINSON BULK TRANSPORT Co
Original Assignee
ATKINSON BULK TRANSPORT Co
Publication date
Application grantedgrantedCritical
Publication of CA596948ApublicationCriticalpatent/CA596948A/en