DK41374C - Telephone, especially speakerphone. - Google Patents

Telephone, especially speakerphone.

Info

Publication number
DK41374C
DK41374C DK41374DA DK41374C DK 41374 C DK41374 C DK 41374C DK 41374D A DK41374D A DK 41374DA DK 41374 C DK41374 C DK 41374C
Authority
DK
Denmark
Prior art keywords
speakerphone
telephone
especially speakerphone
Prior art date
Application number
Other languages
Danish (da)
Inventor
Archibald Parker Welch
Original Assignee
Archibald Parker Welch
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Archibald Parker Welch filed Critical Archibald Parker Welch
Application granted granted Critical
Publication of DK41374C publication Critical patent/DK41374C/en

Links

DK41374D 1928-02-04 1928-11-15 Telephone, especially speakerphone. DK41374C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB41374X 1928-02-04

Publications (1)

Publication Number Publication Date
DK41374C true DK41374C (en) 1929-12-30

Family

ID=9771454

Family Applications (1)

Application Number Title Priority Date Filing Date
DK41374D DK41374C (en) 1928-02-04 1928-11-15 Telephone, especially speakerphone.

Country Status (1)

Country Link
DK (1) DK41374C (en)

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