Pen

Details Pen Pen

1999-03-11

2000-02-01

Holtje, Martie K.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 51, D19 48, D19 57, 1906

Patent

active

D04200462

REFERENCES:
patent: D141631 (1945-06-01), Chapman
patent: D256136 (1980-07-01), Muller
patent: D270547 (1983-09-01), Bajusz
patent: D294281 (1988-02-01), Song
patent: D324238 (1992-02-01), Nitta
patent: D339606 (1993-09-01), Podobrin
patent: D400580 (1998-11-01), Schmidt et al.
patent: D410952 (1999-06-01), Hadtke et al.

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