Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1991-08-08
1993-11-09
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03411397
REFERENCES:
patent: D257446 (1980-10-01), Matsumoto
patent: D260016 (1981-07-01), Thomas
patent: D261507 (1981-10-01), Thomas
patent: D262107 (1981-12-01), Thomas
patent: D262795 (1982-01-01), Thomas
patent: D265197 (1982-06-01), Jones
patent: D287589 (1987-01-01), Huang
patent: D291562 (1987-08-01), Lee
patent: D302796 (1989-08-01), Goolsby
patent: D303684 (1989-09-01), Matsumoto
patent: D321685 (1991-11-01), Bradley et al.
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