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
CA636468A
Inventor
J. Intagliata Salvatore
J. Hildebrandt William
W. Yerks Richard
J. Digalbo Vincent
P. Hall Wayne
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.)
Underwood Corp
Original Assignee
Underwood Corp
Publication date
Application grantedgrantedCritical
Publication of CA636468ApublicationCriticalpatent/CA636468A/en