Ballpoint pen

Details Ballpoint pen Ballpoint pen

1994-03-01

1995-05-16

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 50, D19 51, D19 56, D19 57

Patent

active

D03584208

REFERENCES:
patent: D96889 (1935-09-01), Bienenstein
patent: D99346 (1936-04-01), Deli
patent: D124725 (1941-01-01), Ornstein
patent: D156633 (1949-12-01), Krause
patent: D179615 (1957-01-01), Spatz
patent: D182311 (1958-03-01), Steinberg
patent: D187253 (1960-02-01), Lambert
patent: D325984 (1992-04-01), von Edler et al.

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