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
CA822903A
Inventor
L. Grimes Eldon
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.)
Marine Construction and Design Co
Original Assignee
Marine Construction and Design Co
Publication date
Application grantedgrantedCritical
Publication of CA822903ApublicationCriticalpatent/CA822903A/en