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
CA675948A
Inventor
P. Gravenor Conrad
J. Govett Gerald
Rigg Tyson
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.)
Alberta Innovates
Original Assignee
Alberta Innovates
Publication date
Application grantedgrantedCritical
Publication of CA675948ApublicationCriticalpatent/CA675948A/en