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.)
Duff Norton Co Inc
Original Assignee
Duff Norton Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Duff Norton Co IncfiledCriticalDuff Norton Co Inc
Application grantedgrantedCritical
Publication of AU295666B2publicationCriticalpatent/AU295666B2/en
Publication of AU6260165ApublicationCriticalpatent/AU6260165A/en