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
CA607832A
Inventor
H. Kayler Frank
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.)
American Steel Foundries
Original Assignee
American Steel Foundries
Publication date
Application grantedgrantedCritical
Publication of CA607832ApublicationCriticalpatent/CA607832A/en