Typewriter

Details Typewriter Typewriter

1987-09-23

1990-06-12

Holtje, Nelson C.

Printing and office machinery

Typewriter or calculator

Patent

active

D03085350

REFERENCES:
patent: D289177 (1987-04-01), Sawada
patent: D291442 (1987-08-01), Kurihara
patent: D293678 (1988-01-01), Sawatani et al.
patent: D303250 (1989-09-01), Ver Nooy
patent: 4298773 (1981-11-01), Diab
patent: 4739316 (1988-04-01), Yamaguchi et al.
patent: 4781422 (1988-11-01), Kimble

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