CA12725A - Improvements on telephones - Google Patents

Improvements on telephones

Info

Publication number
CA12725A
CA12725A CA000012725A CA12725DA CA12725A CA 12725 A CA12725 A CA 12725A CA 000012725 A CA000012725 A CA 000012725A CA 12725D A CA12725D A CA 12725DA CA 12725 A CA12725 A CA 12725A
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
CA000012725A
Other languages
French (fr)
Inventor
Charles D. Haskins
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 CA12725A publication Critical patent/CA12725A/en
Expired legal-status Critical Current

Links

CA000012725A Improvements on telephones Expired CA12725A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA12725T

Publications (1)

Publication Number Publication Date
CA12725A true CA12725A (en) 1881-05-03

Family

ID=45129270

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000012725A Expired CA12725A (en) Improvements on telephones

Country Status (1)

Country Link
CA (1) CA12725A (en)

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