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
CA590049A
Inventor
C. Schumacher Raymond
W. Winship 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.)
Bohn Aluminum and Brass Corp
Original Assignee
Bohn Aluminum and Brass Corp
Publication date
Application grantedgrantedCritical
Publication of CA590049ApublicationCriticalpatent/CA590049A/en