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
CA888040A
Inventor
A. Parsons Bernard
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.)
IMI DEVELOPMENTS Ltd
Original Assignee
IMI DEVELOPMENTS Ltd
Publication date
Application grantedgrantedCritical
Publication of CA888040ApublicationCriticalpatent/CA888040A/en