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
CA879448A
Inventor
W. Hines Eugene
Mcgrath Timothy
Herman James
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.)
Prenco Manufacturing Co
Original Assignee
Prenco Manufacturing Co
Publication date
Application grantedgrantedCritical
Publication of CA879448ApublicationCriticalpatent/CA879448A/en