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
CA836742A
Inventor
E. Gabriel Malcolm
Original Assignee
ITT Canada Ltd
Publication date
Application grantedgrantedCritical
Publication of CA836742ApublicationCriticalpatent/CA836742A/en