Ballpoint pen

Details Ballpoint pen Ballpoint pen

1994-08-01

1996-02-13

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 47, D19 49, D19 56

Patent

active

D03670767

REFERENCES:
patent: D182216 (1958-02-01), Zierhut
patent: D202952 (1965-11-01), Stephens, Jr.
patent: D316726 (1991-05-01), Itoh
patent: D339606 (1993-09-01), Podobrin
patent: D340476 (1993-10-01), Hiromori
patent: D345466 (1994-03-01), Brouse
patent: D353397 (1994-12-01), Banik
patent: D355440 (1995-02-01), Lin
patent: D355932 (1995-02-01), Beffa

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