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
CA593800A
Inventor
Francis E. Atkinson
John F. Bowen
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.)
Canada, Represented By Minister Of National Research Council And Canadian Patents And Development Ltd AS
Original Assignee
Canada, Represented By Minister Of National Research Council And Canadian Patents And Development Ltd AS
Publication date
Application grantedgrantedCritical
Publication of CA593800ApublicationCriticalpatent/CA593800A/en