Portable hand-held computer

Details Portable hand-held computer Portable hand-held computer

1986-10-30

1989-07-18

Lucas, Susan J.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

D18 7

Patent

active

D03022650

REFERENCES:
patent: D239287 (1976-03-01), Ault
patent: D249345 (1978-09-01), Oliveira et al.
patent: D253533 (1979-11-01), Sims et al.
patent: D257976 (1981-01-01), Schmidt
patent: D258956 (1981-04-01), Chadima, Jr.
patent: D283711 (1986-05-01), Deura et al.
patent: 4005388 (1977-01-01), Morley et al.
patent: 4291385 (1981-09-01), Osborne et al.

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