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.)
Talbot Grant Martin and Edward Arthur Mellinger Electrical Engineers all uf looi West Vanburen Streed Chicago Illinois U. SA Bernard Darwin Willis
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.)
Automatic Electric Co
Original Assignee
Automatic Electric Co
Filing date
Publication date
Application filed by Automatic Electric CofiledCriticalAutomatic Electric Co
Priority to AU5595/12ApriorityCriticalpatent/AU559512A/en
Publication of AU559512BpublicationCriticalpatent/AU559512B/en
Publication of AU559512ApublicationCriticalpatent/AU559512A/en