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
CA805588A
Inventor
B. Atkin Oliver
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.)
Anaconda American Brass Co
Original Assignee
Anaconda American Brass Co
Publication date
Application grantedgrantedCritical
Publication of CA805588ApublicationCriticalpatent/CA805588A/en