Add-on console for a telephone set

Details Add-on console for a telephone set Add-on console for a telephone set

1992-06-22

1993-10-05

Douglas, Alan P.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Element or attachment

Patent

active

D03400573

REFERENCES:
patent: D269179 (1983-05-01), Foggia et al.
patent: D271394 (1983-11-01), Brown et al.
patent: D306027 (1990-02-01), Gagnon
patent: D311918 (1990-11-01), Renard
patent: D315564 (1991-03-01), Kido et al.
patent: D317920 (1991-07-01), Fuqua et al.
Electra Mark II ad, .COPYRGT.1985.
NEC ad, item at front center.
Siemens "HICOM 100"; Der neue Standard, um einfach komfortabler zu telefonieren. The relevant pages are 2-5, 7-12 and the last page.
Siemens "HICOM 100"; Convenience in Communication. The relevant pages are 3-8, 10-15 and the last page.
Siemens "HICOM 200"; Das ISDN-Kommunikationssystem mit den vielfalatigen losungen. The relevant pages are the cover, 2, 5-11, 13 and the last page.
Siemens "HICOM 200"; "The ISDN Communication System For Medium-Size Business". The relevant pages are the cover, 2, 4-5, 7, 9, 10, 13 and the last page.
Siemens "HICOM 300"; Das ISDN-Kommunikationssystem fur hochste Anspruche. The relevant pages are the cover, 5, 7, 10, 18 and the last page.
Siemens "HICOM 300"; The ISDN Communication System For Every Requirement. The relevant pages are the cover, 4-5, 7, 8, 12-13 and the last page.

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