DK18500C - Telephone relay. - Google Patents

Telephone relay.

Info

Publication number: DK18500C
Authority: DK; Denmark
Prior art keywords: telephone relay; relay; telephone
Prior art date: 1914-02-23

Application number

Other languages

Inventor

Elwood Grissinger

Original Assignee

Elwood Grissinger

Publication date

1914-02-23

1914-02-23 Application granted granted Critical

1914-02-23 Publication of DK18500C publication Critical patent/DK18500C/en

Links

DK18500D Telephone relay. DK18500C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DK18500T

Publications (1)

Publication Number	Publication Date
DK18500C true DK18500C (en)	1914-02-23

Family

ID=27834111

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK18500D DK18500C (en)			Telephone relay.

Country Status (1)

Country	Link
DK (1)	DK18500C (en)

0
- DK DK18500D patent/DK18500C/en active

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