Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1984-07-26
1986-12-09
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Element or attachment
D18 13
Patent
active
D02871408
REFERENCES:
patent: D246974 (1978-01-01), Thorwaldsen et al.
patent: D258285 (1981-02-01), Dargatz
patent: D277872 (1985-03-01), Runzl
patent: D279112 (1985-06-01), Kikuchi et al.
patent: D280723 (1985-09-01), Nishida et al.
patent: D280724 (1985-09-01), Hashimoto
Berger Peter L.
OKI Electric Industry Co., Ltd.
Zarfas Louis S,.
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