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
CA624943A
Inventor
A. Taylor Tristram
Stephenson Norman
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.)
UK Minister of Supply
Original Assignee
UK Minister of Supply
Publication date
Application grantedgrantedCritical
Publication of CA624943ApublicationCriticalpatent/CA624943A/en