Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1993-12-15
1995-02-07
Holtje, Nelson C.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
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
Code-a-Phone advertisement.
Asch Jeffrey
Holtje Nelson C.
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