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
CA662241A
Inventor
N. Goldsmith Charles
C. Barnes-Moss Kenneth
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.)
CAV Ltd
Original Assignee
CAV Ltd
Publication date
Application grantedgrantedCritical
Publication of CA662241ApublicationCriticalpatent/CA662241A/en