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.)
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.)
DAVID B MARSHALL
JOHN S BATTLE JR
Original Assignee
DAVID B MARSHALL
JOHN S BATTLE JR
Publication date
Application grantedgrantedCritical
Publication of CA499431ApublicationCriticalpatent/CA499431A/fr