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
CA617689A
Inventor
F. Pearce Dixon
L. Freeman Ray
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.)
BENNETT ROSE Co
Original Assignee
BENNETT ROSE Co
Publication date
Application grantedgrantedCritical
Publication of CA617689ApublicationCriticalpatent/CA617689A/en