CA441465A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA441465A
CA441465A CA441465A CA441465DA CA441465A CA 441465 A CA441465 A CA 441465A CA 441465 A CA441465 A CA 441465A CA 441465D A CA441465D A CA 441465DA CA 441465 A CA441465 A CA 441465A
Authority
CA
Canada
Prior art keywords
telephone system
telephone
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
CA441465A
Other languages
French (fr)
Inventor
George E. Stonebridge, Jr.
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 Laboratories Inc
Associated Telephone and Telegraph Co
Original Assignee
Automatic Electric Laboratories Inc
Associated Telephone and Telegraph Co
Publication date
Application granted granted Critical
Publication of CA441465A publication Critical patent/CA441465A/en
Expired legal-status Critical Current

Links

CA441465A Telephone system Expired CA441465A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA441465T

Publications (1)

Publication Number Publication Date
CA441465A true CA441465A (en) 1947-05-20

Family

ID=35556697

Family Applications (1)

Application Number Title Priority Date Filing Date
CA441465A Expired CA441465A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA441465A (en)

Similar Documents

Publication Publication Date Title
CA441947A (en) Telephone system
CA443721A (en) Telephone system
CA439394A (en) Telephone system
CA440708A (en) Telephone system
CA440944A (en) Telephone system
CA441179A (en) Telephone system
CA441180A (en) Telephone system
CA441181A (en) Telephone system
CA441406A (en) Telephone system
CA441465A (en) Telephone system
CA442718A (en) Telephone system
CA442941A (en) Telephone system
CA442988A (en) Telephone system
CA443037A (en) Telephone system
CA443405A (en) Telephone system
CA443407A (en) Telephone system
CA443722A (en) Telephone system
CA445441A (en) Telephone system
CA445442A (en) Telephone system
CA445443A (en) Telephone system
CA445445A (en) Telephone system
CA445446A (en) Telephone system
CA440102A (en) Telephone unit
CA443984A (en) Telephone answering system
CA440709A (en) Telephone trunking system