CA379154A - Dispositif de transmission des appels - Google Patents

Dispositif de transmission des appels

Info

Publication number: CA379154A
Authority: CA; Canada
Prior art keywords: transmitter device; call transmitter; call; transmitter
Prior art date: 1939-01-24
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

CA379154A

Other languages

English (en)

Inventor

Donat Richard Charles

Gillette Roberts John

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.)

AT&T Corp

Original Assignee

Western Electric Co Inc

Publication date

1939-01-24

1939-01-24 Application granted granted Critical

1939-01-24 Publication of CA379154A publication Critical patent/CA379154A/fr

Status Expired legal-status Critical Current

Links

CA379154A Dispositif de transmission des appels Expired CA379154A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA379154T

Publications (1)

Publication Number	Publication Date
CA379154A true CA379154A (fr)	1939-01-24

Family

ID=35383478

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA379154A Expired CA379154A (fr)			Dispositif de transmission des appels

Country Status (1)

Country	Link
CA (1)	CA379154A (fr)

0
- CA CA379154A patent/CA379154A/fr not_active Expired

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