Writing instrument

Details Writing instrument Writing instrument

1999-04-05

2000-08-22

Holtje, Martie K.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 56, 1906

Patent

active

D04297636

REFERENCES:
patent: D187445 (1960-03-01), Marynissen
patent: D242449 (1976-11-01), Jahraus
patent: D286649 (1986-11-01), Hamel
patent: D286893 (1986-11-01), Regnault
patent: D329459 (1992-09-01), Sullivan
patent: D330725 (1992-11-01), Samuel
patent: 2108441 (1938-02-01), Maucher
patent: 2680426 (1954-06-01), Kohut
patent: 3326189 (1967-06-01), Baer

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