Pencil sharpener

Details Pencil sharpener Pencil sharpener

1978-02-23

1980-04-29

Stearman, Joel

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Perforating or cutting

D1906

Patent

active

D02548585

REFERENCES:
patent: D149356 (1948-04-01), Widalof

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