Electronic typewriter

Details Electronic typewriter Electronic typewriter

1987-09-22

1990-08-21

Holtje, Nelson C.

Printing and office machinery

Typewriter or calculator

D14106

Patent

active

D03100928

REFERENCES:
patent: D244316 (1977-05-01), Bodell et al.
patent: D260887 (1981-09-01), Esslinger et al.
patent: D263396 (1982-03-01), Horikoshi et al.
patent: D264468 (1982-05-01), Grae
patent: D269679 (1983-07-01), Morooka
patent: D280510 (1985-09-01), Wilson
patent: D290703 (1987-07-01), Day et al.
patent: 4531119 (1985-07-01), Nakayama et al.
patent: 4777482 (1988-10-01), Kaneko et al.
DESIGN; May 1981; p. 43; MT-02 Computer.
IBM Technical Disclosure Bulletin; vol. 26, No. 12 May 1984; Direct Entry Keyboard by D. J. Abrahamson & J. W. Clough.

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