CA9923A - Improvements on telephones - Google Patents

Improvements on telephones

Info

Publication number
CA9923A
CA9923A CA000009923A CA9923DA CA9923A CA 9923 A CA9923 A CA 9923A CA 000009923 A CA000009923 A CA 000009923A CA 9923D A CA9923D A CA 9923DA CA 9923 A CA9923 A CA 9923A
Authority
CA
Canada
Prior art keywords
telephones
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
CA000009923A
Other languages
French (fr)
Inventor
Thomas A. Edison
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 CA9923A publication Critical patent/CA9923A/en
Expired legal-status Critical Current

Links

CA000009923A Improvements on telephones Expired CA9923A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA9923T

Publications (1)

Publication Number Publication Date
CA9923A true CA9923A (en) 1879-05-01

Family

ID=45126470

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000009923A Expired CA9923A (en) Improvements on telephones

Country Status (1)

Country Link
CA (1) CA9923A (en)

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