CA7789A - Perfectionnements a la telephonie electrique - Google Patents

Perfectionnements a la telephonie electrique

Info

Publication number: CA7789A
Authority: CA; Canada
Prior art keywords: telephony; electric; electric telephony
Prior art date: 1877-08-22
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

CA000007789A

Other languages

English (en)

Inventor

Alexander G. Bell

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

1877-08-22

1877-08-22 Application granted granted Critical

1877-08-22 Publication of CA7789A publication Critical patent/CA7789A/fr

Status Expired legal-status Critical Current

Links

CA000007789A Perfectionnements a la telephonie electrique Expired CA7789A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA7789T

Publications (1)

Publication Number	Publication Date
CA7789A true CA7789A (fr)	1877-08-22

Family

ID=45124337

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000007789A Expired CA7789A (fr)			Perfectionnements a la telephonie electrique

Country Status (1)

Country	Link
CA (1)	CA7789A (fr)

0
- CA CA000007789A patent/CA7789A/fr not_active Expired

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