Ball-point pen

Details Ball-point pen Ball-point pen

1991-03-08

1993-09-14

Holtje, Nelson C.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 48, D19 56

Patent

active

D03393780

REFERENCES:
patent: D182162 (1958-02-01), Caireiro
patent: D212866 (1968-12-01), Parraud
patent: D213739 (1969-04-01), Kanwiser
patent: D238358 (1976-01-01), Itoh
patent: D253060 (1979-10-01), Itoh
patent: D254912 (1980-05-01), Ito
patent: D280420 (1985-09-01), Verhaegue
patent: D323852 (1992-02-01), Gomez

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