Writing utensil

Details Writing utensil Writing utensil

2000-01-20

2000-08-29

Holtje, Martie K.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 51, D19 56, D19 55, 1906

Patent

active

D04302095

REFERENCES:
patent: D138825 (1944-09-01), Waldinger
patent: D319845 (1991-09-01), Grotsch et al.
patent: D336491 (1993-06-01), Vitrac
patent: D342545 (1993-12-01), Kao
patent: D345577 (1994-03-01), Hohner
patent: D352960 (1994-11-01), Zier
patent: D395674 (1998-06-01), Gacia
patent: D406862 (1999-03-01), Schmidt et al.
patent: D418873 (2000-01-01), Shen
patent: 3602600 (1971-08-01), Kanski

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