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
CA711439A
Inventor
A. M. Schenck Robert
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.)
MERCANTILE MARINE ENGINEERING AND GRAVING DOCKS Co NV
Original Assignee
MERCANTILE MARINE ENGINEERING AND GRAVING DOCKS Co NV
Publication date
Application grantedgrantedCritical
Publication of CA711439ApublicationCriticalpatent/CA711439A/en