CA11575A - Improvements on telephones - Google Patents

Improvements on telephones

Info

Publication number
CA11575A
CA11575A CA000011575A CA11575DA CA11575A CA 11575 A CA11575 A CA 11575A CA 000011575 A CA000011575 A CA 000011575A CA 11575D A CA11575D A CA 11575DA CA 11575 A CA11575 A CA 11575A
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
CA000011575A
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA11575A publication Critical patent/CA11575A/en
Expired legal-status Critical Current

Links

CA000011575A Improvements on telephones Expired CA11575A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA11575T

Publications (1)

Publication Number Publication Date
CA11575A true CA11575A (en) 1880-07-30

Family

ID=45128121

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000011575A Expired CA11575A (en) Improvements on telephones

Country Status (1)

Country Link
CA (1) CA11575A (en)

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