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
CA867124A
Inventor
G. Hare Terence
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.)
RICHARD L WHEELER
WILLIAM L BELT
Original Assignee
RICHARD L WHEELER
WILLIAM L BELT
Publication date
Application grantedgrantedCritical
Publication of CA867124ApublicationCriticalpatent/CA867124A/en