Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1987-04-23
1990-06-26
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D14115
Patent
active
D03088553
REFERENCES:
patent: D272624 (1984-02-01), Genaro et al.
patent: D278709 (1985-05-01), Xanthopoulus
patent: D290373 (1987-06-01), Yubisui et al.
patent: D292801 (1987-11-01), Davis, Jr. et al.
patent: 4527149 (1985-07-01), Swensen
Five photographs of a prior art Lighted Program Function Keyboard-submitted Aug. 25, 1987.
Clark George E.
International Business Machines - Corporation
Lucas Susan J.
Moore J. D.
Nunn Freda S.
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