Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1986-02-18
1989-01-24
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D02994950
REFERENCES:
patent: D279474 (1985-07-01), Akagi et al.
patent: D281605 (1985-12-01), Bertone
patent: D293243 (1987-12-01), Kakiuchi
patent: 4527149 (1985-07-01), Swenson
P.C. World, 4-1984, p. 103, Intertec Headstart 512 Keyboard.
Lucas Susan J.
Northern Technologies Ltd.
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