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
CA634341A
Inventor
J. Hurford Walter
B. Gordon Robert
A. Johnson William
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.)
US Department of Navy
Original Assignee
US Department of Navy
Publication date
Application grantedgrantedCritical
Publication of CA634341ApublicationCriticalpatent/CA634341A/en