Ball-point pen

Details Ball-point pen Ball-point pen

1996-05-06

1997-04-08

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 51, D19 57

Patent

active

D03787613

REFERENCES:
patent: D153290 (1949-04-01), Jensen
patent: D311550 (1990-10-01), Yazaki
patent: D325221 (1992-04-01), Ito
patent: D338686 (1993-08-01), Ito
patent: D341623 (1993-11-01), Chuang
patent: D351417 (1994-10-01), Oka
patent: D357276 (1995-04-01), Bruhn
patent: D358167 (1995-05-01), Herbst et al.
patent: 5073056 (1991-12-01), Belmando

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