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.)
George William Holz and August Wilford Bovenberg John Reid Duffy
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.)
Lindberg Engineering Co
Original Assignee
Lindberg Engineering Co
Filing date
Publication date
Application filed by Lindberg Engineering CofiledCriticalLindberg Engineering Co
Application grantedgrantedCritical
Publication of AU214546B2publicationCriticalpatent/AU214546B2/en
Publication of AU1707656ApublicationCriticalpatent/AU1707656A/en