CA12945A - Improvements in telephone - Google Patents

Improvements in telephone

Info

Publication number
CA12945A
CA12945A CA000012945A CA12945DA CA12945A CA 12945 A CA12945 A CA 12945A CA 000012945 A CA000012945 A CA 000012945A CA 12945D A CA12945D A CA 12945DA CA 12945 A CA12945 A CA 12945A
Authority
CA
Canada
Prior art keywords
telephone
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
CA000012945A
Other languages
French (fr)
Inventor
William Van O. Lockwood
Robert M. Lockwood
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 CA12945A publication Critical patent/CA12945A/en
Expired legal-status Critical Current

Links

CA000012945A Improvements in telephone Expired CA12945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA12945T

Publications (1)

Publication Number Publication Date
CA12945A true CA12945A (en) 1881-06-10

Family

ID=45129490

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000012945A Expired CA12945A (en) Improvements in telephone

Country Status (1)

Country Link
CA (1) CA12945A (en)

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