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
CA796374A
Inventor
L. Smith Arthur
A. Sergovic John
L. Mcclinton John
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.)
Burns and Russell Co
Original Assignee
Burns and Russell Co
Publication date
Application grantedgrantedCritical
Publication of CA796374ApublicationCriticalpatent/CA796374A/en