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
CA693610A
Inventor
W. Kestner Matthew
W. Kestner Mathias
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.)
American Ship Building Co
Original Assignee
American Ship Building Co
Publication date
Application grantedgrantedCritical
Publication of CA693610ApublicationCriticalpatent/CA693610A/en