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.)
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.)
WIDEN
Original Assignee
WIDEN
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WIDENfiledCriticalWIDEN
Priority to CA257,081ApriorityCriticalpatent/CA1082017A/fr
Application grantedgrantedCritical
Publication of CA1082017ApublicationCriticalpatent/CA1082017A/fr