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
CA683767A
Inventor
M. Callan Joseph
E. Mansson Sven
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.)
Magnetic Analysis Corp
Original Assignee
Joseph M Callan
Sven E Mansson
Magnetic Analysis Corp
Publication date
Application grantedgrantedCritical
Publication of CA683767ApublicationCriticalpatent/CA683767A/en