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
CA617440A
Inventor
L. Parks Noble
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.)
RODNEY A GOODLING
WILLIAM L RUNGE
Original Assignee
RODNEY A GOODLING
WILLIAM L RUNGE
Publication date
Application grantedgrantedCritical
Publication of CA617440ApublicationCriticalpatent/CA617440A/en