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
CA646486A
Inventor
J. Franz Henry
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.)
FLORENCE TAYLOR
Original Assignee
FLORENCE TAYLOR
Publication date
Application grantedgrantedCritical
Publication of CA646486ApublicationCriticalpatent/CA646486A/en