CA299612A - Systeme moniteur telegraphique - Google Patents

Systeme moniteur telegraphique

Info

Publication number: CA299612A
Authority: CA; Canada
Prior art keywords: telegraph; monitoring system; monitoring; telegraph monitoring
Prior art date: 1930-04-22
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

CA299612A

Other languages

English (en)

Inventor

Ernest Branson David

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

1930-04-22

1930-04-22 Application granted granted Critical

1930-04-22 Publication of CA299612A publication Critical patent/CA299612A/fr

Status Expired legal-status Critical Current

Links

238000012544 monitoring process Methods 0.000 title 1

CA299612A Systeme moniteur telegraphique Expired CA299612A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA299612T

Publications (1)

Publication Number	Publication Date
CA299612A true CA299612A (fr)	1930-04-22

Family

ID=35236931

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA299612A Expired CA299612A (fr)			Systeme moniteur telegraphique

Country Status (1)

Country	Link
CA (1)	CA299612A (fr)

0
- CA CA299612A patent/CA299612A/fr not_active Expired

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