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
CA598284A
Inventor
F. Leftwich Robert
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.)
SAYRE AND FISHER Co
Original Assignee
SAYRE AND FISHER Co
Publication date
Application grantedgrantedCritical
Publication of CA598284ApublicationCriticalpatent/CA598284A/en