Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1988-09-29
1990-07-17
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03092933
REFERENCES:
patent: D292222 (1987-10-01), Stern
patent: D293241 (1987-12-01), Wan et al.
patent: D298536 (1988-11-01), Brefka
patent: 4068089 (1978-01-01), Kuhnlein et al.
patent: 4764763 (1988-08-01), Wickstead et al.
patent: 4836699 (1989-06-01), Babsch et al.
Lucas Susan J.
Nunn Freda S.
York Michael W.
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