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
CA596024A
Inventor
G. Hansell Arnold
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.)
H B IVES CO
Original Assignee
H B IVES CO
Publication date
Application grantedgrantedCritical
Publication of CA596024ApublicationCriticalpatent/CA596024A/en