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
CA610378A
Inventor
B. Winters John
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.)
ADRIAN MEDERT
ANN F HULL
Original Assignee
ADRIAN MEDERT
ANN F HULL
Publication date
Application grantedgrantedCritical
Publication of CA610378ApublicationCriticalpatent/CA610378A/en