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
CA628445A
Inventor
A. Roberts George
John C. Hamaker, Jr.
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.)
VANADIUM-ALLOYS STEEL Co
Original Assignee
VANADIUM-ALLOYS STEEL Co
Publication date
Application grantedgrantedCritical
Publication of CA628445ApublicationCriticalpatent/CA628445A/en