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
CA783200A
Inventor
J. Anderson 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.)
NAI Technologies Inc
Original Assignee
North Atlantic Industries Inc
Publication date
Application grantedgrantedCritical
Publication of CA783200ApublicationCriticalpatent/CA783200A/en