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.)
American District Telegraph Co
Original Assignee
American District Telegraph Co
Filing date
Publication date
Application filed by American District Telegraph CofiledCriticalAmerican District Telegraph Co
Application grantedgrantedCritical
Publication of AU242646B2publicationCriticalpatent/AU242646B2/en
Publication of AU6601960ApublicationCriticalpatent/AU6601960A/en