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
CA721098A
Inventor
C. Wernham Spencer
C. Hendricks 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.)
MCGILL METAL PRODUCTS CO
Original Assignee
MCGILL METAL PRODUCTS CO
Publication date
Application grantedgrantedCritical
Publication of CA721098ApublicationCriticalpatent/CA721098A/en