Pen housing

Details Pen housing Pen housing

1999-02-19

1999-11-09

Holtje, Martie K.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 46, D19 54, 1906

Patent

active

D04162862

REFERENCES:
patent: D74119 (1927-12-01), Nelson
patent: D181180 (1957-10-01), Blozer
patent: D187255 (1960-02-01), Sams et al.
patent: D188971 (1960-10-01), Nash et al.
patent: D190980 (1961-07-01), Fuchs
patent: D308395 (1990-06-01), Mori
patent: D368114 (1996-03-01), Hyvonen
patent: D369830 (1996-05-01), Hadtke
patent: D385913 (1997-11-01), Martin
patent: 4217712 (1980-08-01), Koeln
patent: 5468083 (1995-11-01), Chesar

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