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
CA852927A
Inventor
E. Geary Michael
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.)
Redifon Air Trainers Ltd
Original Assignee
Redifon Air Trainers Ltd
Publication date
Application grantedgrantedCritical
Publication of CA852927ApublicationCriticalpatent/CA852927A/en