CA12326A - Improvements in telephones and other systems of electrical communications - Google Patents

Improvements in telephones and other systems of electrical communications

Info

Publication number
CA12326A
CA12326A CA000012326A CA12326DA CA12326A CA 12326 A CA12326 A CA 12326A CA 000012326 A CA000012326 A CA 000012326A CA 12326D A CA12326D A CA 12326DA CA 12326 A CA12326 A CA 12326A
Authority
CA
Canada
Prior art keywords
telephones
systems
electrical communications
communications
electrical
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
CA000012326A
Other languages
French (fr)
Inventor
James W. Brown
John N. Culbertson
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 CA12326A publication Critical patent/CA12326A/en
Expired legal-status Critical Current

Links

CA000012326A Improvements in telephones and other systems of electrical communications Expired CA12326A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA12326T

Publications (1)

Publication Number Publication Date
CA12326A true CA12326A (en) 1881-02-07

Family

ID=45128872

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000012326A Expired CA12326A (en) Improvements in telephones and other systems of electrical communications

Country Status (1)

Country Link
CA (1) CA12326A (en)

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