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
CA799234A
Inventor
A. Nelson Vaughn
Original Assignee
International Harverster Corp
Publication date
Application grantedgrantedCritical
Publication of CA799234ApublicationCriticalpatent/CA799234A/en