Writing instrument

Details Writing instrument Writing instrument

1991-12-04

1993-12-07

Holtje, Nelson C.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 56

Patent

active

D03420906

REFERENCES:
patent: D144459 (1946-04-01), Iwanowicz
patent: D161826 (1951-02-01), Ferber
patent: D201063 (1965-05-01), Kahn et al.
patent: D304601 (1989-11-01), Alskog
patent: D312478 (1990-11-01), Lecce
patent: D324069 (1992-02-01), Katami

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