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
CA634910A
Inventor
J. Lamb Louis
A. Hollingsworth Clinton
C. Austin Wiley
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.)
SMITH-DOUGLASS Co
Original Assignee
SMITH-DOUGLASS Co
Publication date
Application grantedgrantedCritical
Publication of CA634910ApublicationCriticalpatent/CA634910A/en