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
CA808951A
Inventor
C. Ortner Robert
S. Adams Norman
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.)
ORTNER FREIGHT CAR Co
Original Assignee
ORTNER FREIGHT CAR Co
Publication date
Application grantedgrantedCritical
Publication of CA808951ApublicationCriticalpatent/CA808951A/en