CA13006A - Improvements on telephone circuits - Google Patents

Improvements on telephone circuits

Info

Publication number
CA13006A
CA13006A CA000013006A CA13006DA CA13006A CA 13006 A CA13006 A CA 13006A CA 000013006 A CA000013006 A CA 000013006A CA 13006D A CA13006D A CA 13006DA CA 13006 A CA13006 A CA 13006A
Authority
CA
Canada
Prior art keywords
telephone circuits
telephone
circuits
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
CA000013006A
Other languages
French (fr)
Inventor
Thomas A. Watson
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.)
CANADIAN TELEPHONE Co
Original Assignee
CANADIAN TELEPHONE Co
Publication date
Application granted granted Critical
Publication of CA13006A publication Critical patent/CA13006A/en
Expired legal-status Critical Current

Links

CA000013006A Improvements on telephone circuits Expired CA13006A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA13006T

Publications (1)

Publication Number Publication Date
CA13006A true CA13006A (en) 1881-06-16

Family

ID=45129551

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000013006A Expired CA13006A (en) Improvements on telephone circuits

Country Status (1)

Country Link
CA (1) CA13006A (en)

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