Cordless electric pencil sharpener

Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Perforating or cutting

Patent

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D1906

Patent

active

D02446049

REFERENCES:
patent: D188164 (1960-06-01), Talge et al.
patent: D226403 (1973-02-01), Rosson
patent: D230129 (1974-01-01), Smith
patent: D237610 (1975-11-01), Macowski
Office Products, Oct., 1974, p. 5, ES-14 pencil sharp.

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