Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1989-01-31
1990-10-23
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03115224
REFERENCES:
patent: D196400 (1963-09-01), Koons
patent: D286654 (1986-11-01), Picard
patent: D287591 (1987-01-01), Kaplan et al.
patent: D294942 (1988-03-01), Fiscel
patent: D299339 (1989-01-01), Wilson
Industrial Innovations, Inc.
Lucas Susan J.
Nunn Freda S.
Ptak LaValle D.
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