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
CA761107A
Inventor
I. Zwelling Martin
Reber Hubert
Original Assignee
McGraw Edison of Canada Ltd
Publication date
Application grantedgrantedCritical
Publication of CA761107ApublicationCriticalpatent/CA761107A/en