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
CA871958A
Inventor
Stevens Simon
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.)
STERO
Original Assignee
STERO
Publication date
Application grantedgrantedCritical
Publication of CA871958ApublicationCriticalpatent/CA871958A/en