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.)
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.)
Lewis Howe Co
Original Assignee
Lewis Howe Co
Filing date
Publication date
Application filed by Lewis Howe CofiledCriticalLewis Howe Co
Application grantedgrantedCritical
Publication of AU226339B2publicationCriticalpatent/AU226339B2/en
Publication of AU3135457ApublicationCriticalpatent/AU3135457A/en