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
CA839052A
Inventor
J. N. Timothy Roy
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.)
Vokes Ltd
Original Assignee
Roy J N Timothy
Vokes Ltd
Publication date
Application grantedgrantedCritical
Publication of CA839052ApublicationCriticalpatent/CA839052A/en