Typewriter

Details Typewriter Typewriter

1990-06-27

1992-11-24

Holtje, Nelson C.

Printing and office machinery

Typewriter or calculator

Patent

active

D03312534

REFERENCES:
patent: D284474 (1986-07-01), Sawada
patent: D309895 (1990-08-01), Lampe
patent: D316558 (1991-04-01), Pierce
patent: 4781422 (1988-11-01), Kimble
patent: 4808017 (1989-02-01), Sherman et al.
patent: 4859092 (1989-08-01), Makita
patent: 4901261 (1990-02-01), Fuhs
Guernsey Office Supply, 1988, Smith-Corona typewriter, center left of page.

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