Portable hand held data entry terminal

Details Portable hand held data entry terminal Portable hand held data entry terminal

1986-08-20

1989-08-29

Lucas, Susan J.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

D18 7

Patent

active

D03031128

REFERENCES:
patent: D230484 (1974-02-01), Yamagami
patent: D248595 (1978-07-01), Beitler et al.
patent: D249092 (1978-08-01), Ohie
patent: D249742 (1978-09-01), Ohie
patent: D251271 (1979-03-01), Kobayashi
patent: D255124 (1980-05-01), Ohie
patent: D265735 (1982-08-01), Fukushima et al.
patent: D278059 (1985-03-01), Desrochers
patent: D292709 (1987-11-01), Kosako
patent: D297939 (1988-10-01), Bradbury et al.
patent: 4121744 (1978-10-01), Minear
patent: 4442318 (1984-04-01), Desrochers
patent: 4530069 (1985-07-01), Desrochers
IBM Technical Disclosure Bulletin vol. 23 No. 7B-12-1980 p. 3313 Portable Keyboard Display Unit.

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