Writing instrument

Details Writing instrument Writing instrument

1998-06-30

2000-02-22

Holtje, Martie K.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 56, 1906

Patent

active

D04210530

REFERENCES:
patent: D177816 (1956-05-01), Kahn
patent: D210810 (1968-04-01), Wakai
patent: D240524 (1976-07-01), Carre
patent: D325046 (1992-03-01), Liguori
patent: D377664 (1997-01-01), Izushima
patent: D394875 (1998-06-01), Izushima
patent: D395447 (1998-06-01), Izushima
patent: 3099251 (1963-07-01), Hertz

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