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
CA730589A
Inventor
D. Warren Roy
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.)
Fruehauf Corp
Original Assignee
Fruehauf Corp
Publication date
Application grantedgrantedCritical
Publication of CA730589ApublicationCriticalpatent/CA730589A/en