CA33083A - Appareil transmetteur telephonique - Google Patents

Appareil transmetteur telephonique

Info

Publication number
CA33083A
CA33083A CA000033083A CA33083DA CA33083A CA 33083 A CA33083 A CA 33083A CA 000033083 A CA000033083 A CA 000033083A CA 33083D A CA33083D A CA 33083DA CA 33083 A CA33083 A CA 33083A
Authority
CA
Canada
Prior art keywords
transmitting instrument
telephonic
telephonic transmitting
instrument
transmitting
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
CA000033083A
Other languages
English (en)
Inventor
Robert D. Unger
Wm. L. Copeland
Allison H. Keeler
Horatio Keeler
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 CA33083A publication Critical patent/CA33083A/fr
Expired legal-status Critical Current

Links

CA000033083A Appareil transmetteur telephonique Expired CA33083A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA33083T

Publications (1)

Publication Number Publication Date
CA33083A true CA33083A (fr) 1889-12-07

Family

ID=45149623

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000033083A Expired CA33083A (fr) Appareil transmetteur telephonique

Country Status (1)

Country Link
CA (1) CA33083A (fr)

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