Battery operated pencil sharpener

Details Battery operated pencil sharpener Battery operated pencil sharpener

1997-12-05

1998-11-03

Holtje, Martie K.

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Perforating or cutting

D19 65, 1906

Patent

active

D04005864

REFERENCES:
patent: D144777 (1946-05-01), Fleming
patent: D187120 (1960-01-01), Smith
patent: D193457 (1962-08-01), Fleming
patent: D238669 (1976-02-01), MacGregor
patent: D354987 (1995-01-01), Yuen
patent: D390264 (1998-02-01), Singleton et al.
patent: 3134365 (1964-05-01), Hori
patent: 3556182 (1971-01-01), Tanagami

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