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
CA646573A
Inventor
N. Cummings Thomas
B. Shiu Thomas
Benjamin R. Peterson, 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.)
CPS MANUFACTURING Co
Original Assignee
CPS MANUFACTURING Co
Publication date
Application grantedgrantedCritical
Publication of CA646573ApublicationCriticalpatent/CA646573A/en