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
CA768034A
Inventor
Charles W. Sloan
James D. Orr
Original Assignee
SAVAGE SLOAN ORR Ltd
Publication date
Application grantedgrantedCritical
Publication of CA768034ApublicationCriticalpatent/CA768034A/en