Printing and office machinery – Typewriter or calculator
Patent
1983-12-29
1986-01-14
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Patent
active
D02821788
REFERENCES:
patent: D190256 (1961-05-01), Covey
patent: D210631 (1968-03-01), Otto
patent: D258957 (1981-04-01), Bevilacqua et al.
patent: D271309 (1983-11-01), Hirano
patent: D272624 (1984-02-01), Genaro et al.
patent: D273117 (1984-03-01), Kasagi et al.
patent: D278247 (1985-04-01), Miyamoto et al.
Abitare 201, Jan.-Feb./1982, p. 10, Item 7-Olivetti "Praxis 35" at right center.
Silver Seiko Limited
Zarfas Louis S,.
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