Typewriter

Details Typewriter Typewriter

1990-06-27

1992-12-08

Holtje, Nelson C.

Printing and office machinery

Typewriter or calculator

Patent

active

D03315940

REFERENCES:
patent: D273501 (1984-04-01), Kando et al.
patent: D291323 (1987-08-01), Kasagi et al.
patent: D313811 (1991-01-01), Sakaguchi et al.
patent: D315570 (1991-03-01), Krause et al.
patent: D316867 (1991-05-01), Sakaguchi
patent: 4859091 (1989-08-01), Ueda

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