Ball point pen

Details Ball point pen Ball point pen

1998-05-18

1999-03-16

Holtje, Martie K.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 41, D19 56, 1906

Patent

active

D04068629

REFERENCES:
patent: D229110 (1973-11-01), Corte
patent: D258219 (1981-02-01), Oka
patent: D312096 (1990-11-01), Vitrac
patent: D352960 (1994-11-01), Zier
patent: D395674 (1998-06-01), Boix Gacia
patent: 3101073 (1963-08-01), Baird

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