CA4537A - Telegraphe a double courant - Google Patents

Telegraphe a double courant

Info

Publication number: CA4537A
Authority: CA; Canada
Prior art keywords: duplex telegraphy; telegraphy; duplex
Prior art date: 1875-03-23
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

CA000004537A

Other languages

English (en)

Inventor

Louis Schwendler

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

1875-03-23

1875-03-23 Application granted granted Critical

1875-03-23 Publication of CA4537A publication Critical patent/CA4537A/fr

Status Expired legal-status Critical Current

Links

CA000004537A Telegraphe a double courant Expired CA4537A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA4537T

Publications (1)

Publication Number	Publication Date
CA4537A true CA4537A (fr)	1875-03-23

Family

ID=45121093

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000004537A Expired CA4537A (fr)			Telegraphe a double courant

Country Status (1)

Country	Link
CA (1)	CA4537A (fr)

0
- CA CA000004537A patent/CA4537A/fr not_active Expired

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