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
CA641696A
Inventor
H. Wright Robert
N. Daykin Philip
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.)
British Columbia Research Council
Original Assignee
British Columbia Research Council
Publication date
Application grantedgrantedCritical
Publication of CA641696ApublicationCriticalpatent/CA641696A/en