CA22780A - Transmetteur telephonique - Google Patents

Transmetteur telephonique

Info

Publication number
CA22780A
CA22780A CA000022780A CA22780DA CA22780A CA 22780 A CA22780 A CA 22780A CA 000022780 A CA000022780 A CA 000022780A CA 22780D A CA22780D A CA 22780DA CA 22780 A CA22780 A CA 22780A
Authority
CA
Canada
Prior art keywords
telephone transmitter
telephone
transmitter
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
CA000022780A
Other languages
English (en)
Inventor
David H. Keeley
Frederic N. Gisborne
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 CA22780A publication Critical patent/CA22780A/fr
Expired legal-status Critical Current

Links

CA000022780A Transmetteur telephonique Expired CA22780A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA22780T

Publications (1)

Publication Number Publication Date
CA22780A true CA22780A (fr) 1885-11-05

Family

ID=45139323

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000022780A Expired CA22780A (fr) Transmetteur telephonique

Country Status (1)

Country Link
CA (1) CA22780A (fr)

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