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
CA792851A
Inventor
Wei Yung-Kang
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.)
Polysar Ltd
Original Assignee
Polysar Ltd
Publication date
Application grantedgrantedCritical
Publication of CA792851ApublicationCriticalpatent/CA792851A/en