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.)
Jay Hilary Kelley Raymond Joseph Wacht and Donald Wiebe Arthur Lee Barrett
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.)
Joy Manufacturing Co
Original Assignee
Joy Manufacturing Co
Filing date
Publication date
Application filed by Joy Manufacturing CofiledCriticalJoy Manufacturing Co
Application grantedgrantedCritical
Publication of AU216668B2publicationCriticalpatent/AU216668B2/en
Publication of AU2466657ApublicationCriticalpatent/AU2466657A/en