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
CA697250A
Inventor
Chateauneuf Roger
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.)
CHARLES-J BEDARD
HARRIETT SABINE
MARCEL RIVARD
MARGUERITE RIVARD
Original Assignee
CHARLES-J BEDARD
HARRIETT SABINE
MARCEL RIVARD
MARGUERITE RIVARD
Publication date
Application grantedgrantedCritical
Publication of CA697250ApublicationCriticalpatent/CA697250A/en