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
CA683473A
Inventor
Jr. Burleigh Withers
F. Mueller Wolfgang
Original Assignee
Swift and Co Inc
Publication date
Application grantedgrantedCritical
Publication of CA683473ApublicationCriticalpatent/CA683473A/en