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
CA660255A
Inventor
A. Mahler Peter
Peel Robert
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.)
Singer Fidelity Inc
Original Assignee
Singer Fidelity Inc
Publication date
Application grantedgrantedCritical
Publication of CA660255ApublicationCriticalpatent/CA660255A/en