Printing and office machinery – Typewriter or calculator – Calculator
Patent
1992-01-02
1993-06-22
Douglas, Alan P.
Printing and office machinery
Typewriter or calculator
Calculator
D18 2, D 3 75
Patent
active
D03366561
REFERENCES:
patent: D203887 (1966-02-01), Braun
patent: D285094 (1986-08-01), Li
patent: D331254 (1992-11-01), Hiromori
patent: 1863937 (1932-06-01), Shields
Pilliod brochure, p. 2, box 325-L, upper right of p.
Douglas Alan P.
Hunt Ann
Pollyflame International B.V.
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