Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1990-08-14
1992-12-22
Vales-Lado, Carmen H.
Printing and office machinery
Typewriter or calculator
Element or attachment
Patent
active
D03319385
REFERENCES:
patent: D275499 (1984-09-01), Akazawa
patent: D280210 (1985-08-01), Ledoux
patent: D318682 (1991-07-01), Gokita
patent: D319837 (1991-09-01), Urawa
Hunt Ann
Seiko Epson Corporation
Vales-Lado Carmen H.
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