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
CA723629A
Inventor
Whitman Ross
Den Beste Marion
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.)
Rayette Inc
Original Assignee
Rayette Inc
Publication date
Application grantedgrantedCritical
Publication of CA723629ApublicationCriticalpatent/CA723629A/en