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
CA707539A
Inventor
V. Johansen John
P. Stanley Peter
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.)
REICHEL AND DREWS
Original Assignee
REICHEL AND DREWS
Publication date
Application grantedgrantedCritical
Publication of CA707539ApublicationCriticalpatent/CA707539A/en