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
CA738224A
Inventor
J. Nekola William
J. Henigman Francis
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.)
Barry Wehmiller Co Inc
Original Assignee
Barry Wehmiller Co Inc
Publication date
Application grantedgrantedCritical
Publication of CA738224ApublicationCriticalpatent/CA738224A/en