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
CA893408A
Inventor
L. Wieber George
Original Assignee
Illinois Tool Works Inc
Publication date
Application grantedgrantedCritical
Publication of CA893408ApublicationCriticalpatent/CA893408A/en