Combination crayon and pencil sharpener

Details Combination crayon and pencil sharpener Combination crayon and pencil sharpener

1997-01-09

1997-12-02

Thompson, Martie

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Perforating or cutting

D19 36, 1906

Patent

active

D03870910

REFERENCES:
patent: D97522 (1935-11-01), Campbell
patent: D112801 (1939-01-01), Weiss
patent: D251977 (1979-05-01), Leuenberger et al.
patent: D262295 (1981-12-01), Kaye
patent: D267161 (1982-12-01), Goldman
patent: D298340 (1988-11-01), Yuen
patent: 2558902 (1951-07-01), Itano
Industria, p. 6, see circled Pencil Sharpener upper right, May 1961.
Office Appliances, p. 66, see Pencil Sharpener, top center of page, Sep. 1957.

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