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
CA887278A
Inventor
L. Collier Edward
C. Gourdine Meredith
W. Mccrae Harold
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.)
Gourdine Systems Inc
Original Assignee
Gourdine Systems Inc
Publication date
Application grantedgrantedCritical
Publication of CA887278ApublicationCriticalpatent/CA887278A/en