Desk phone

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment

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Patent

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D03551920

REFERENCES:
patent: D287494 (1986-12-01), Danielson et al.
patent: D304940 (1989-12-01), Pfeifer et al.
patent: D332786 (1993-01-01), Gannon
patent: D342247 (1993-12-01), Desbarats
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