Brain shaped pencil sharpener

Details Brain shaped pencil sharpener Brain shaped pencil sharpener

1996-09-27

1998-01-06

Thompson, Martie

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Perforating or cutting

D19 97, D19100, D11157, D11160, 1906

Patent

active

D03888282

REFERENCES:
patent: D169980 (1953-07-01), Knapp
patent: D319803 (1991-09-01), Trauer
patent: 3980113 (1976-09-01), Birdsale
ABG Products See Presidents Head Pencil Sharpener, left center, p. 91
Frey Scientific Catalog, 1985 -1986 p. 18 See Circled "Half Human Brain", left center .

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