Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1990-08-21
1993-01-05
Vales-Lado, Carmen H.
Printing and office machinery
Typewriter or calculator
Element or attachment
Patent
active
D03322769
REFERENCES:
patent: D275296 (1984-08-01), Katori
patent: D280912 (1985-10-01), Kosaka
patent: D307438 (1990-04-01), Kodama
patent: D313611 (1991-01-01), Yokoi
Harada Hiroyuki
Tajima Akio
Hunt Ann
Seikosha Co. Ltd.
Vales-Lado Carmen H.
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