CA270491A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA270491A
CA270491A CA270491A CA270491DA CA270491A CA 270491 A CA270491 A CA 270491A CA 270491 A CA270491 A CA 270491A CA 270491D A CA270491D A CA 270491DA CA 270491 A CA270491 A CA 270491A
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
CA270491A
Other languages
French (fr)
Inventor
Leo Slattery James
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA270491A publication Critical patent/CA270491A/en
Expired legal-status Critical Current

Links

CA270491A Telephone system Expired CA270491A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA270491T

Publications (1)

Publication Number Publication Date
CA270491A true CA270491A (en) 1927-05-10

Family

ID=35200521

Family Applications (1)

Application Number Title Priority Date Filing Date
CA270491A Expired CA270491A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA270491A (en)

Similar Documents

Publication Publication Date Title
CA270491A (en) Telephone system
CA267503A (en) Telephone system
CA268595A (en) Telephone system
CA269135A (en) Telephone system
CA269808A (en) Telephone system
CA270186A (en) Telephone system
CA270744A (en) Telephone system
CA270755A (en) Telephone system
CA270757A (en) Telephone system
CA270758A (en) Telephone system
CA270997A (en) Telephone system
CA271414A (en) Telephone system
CA272029A (en) Telephone system
CA273042A (en) Telephone system
CA273043A (en) Telephone system
CA273044A (en) Telephone system
CA273045A (en) Telephone system
CA273046A (en) Telephone system
CA273047A (en) Telephone system
CA275306A (en) Telephone system
CA275307A (en) Telephone system
CA275934A (en) Telephone system
CA276286A (en) Telephone system
CA276287A (en) Telephone system
CA276288A (en) Telephone system