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
CA831255A
Inventor
P. Carawan Clarence
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.)
JASON W BALLINGTON JR
JOHN P BALLINGTON
Original Assignee
JASON W BALLINGTON JR
JOHN P BALLINGTON
Publication date
Application grantedgrantedCritical
Publication of CA831255ApublicationCriticalpatent/CA831255A/en