AU662912A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU662912A
AU662912A AU6629/12A AU662912A AU662912A AU 662912 A AU662912 A AU 662912A AU 6629/12 A AU6629/12 A AU 6629/12A AU 662912 A AU662912 A AU 662912A AU 662912 A AU662912 A AU 662912A
Authority
AU
Australia
Prior art keywords
relating
telephone systems
telephone
systems
Prior art date
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.)
Expired
Application number
AU6629/12A
Other versions
AU662912B (en
Inventor
Electrical Engineer 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 Co filed Critical Automatic Electric Co
Priority to AU6629/12A priority Critical patent/AU662912A/en
Publication of AU662912B publication Critical patent/AU662912B/en
Publication of AU662912A publication Critical patent/AU662912A/en
Expired legal-status Critical Current

Links

AU6629/12A 1912-10-01 Improvements in or relating to telephone systems Expired AU662912A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU6629/12A AU662912A (en) 1912-10-01 Improvements in or relating to telephone systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU6629/12A AU662912A (en) 1912-10-01 Improvements in or relating to telephone systems

Publications (2)

Publication Number Publication Date
AU662912B AU662912B (en) 1913-10-14
AU662912A true AU662912A (en) 1913-10-14

Family

ID=

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