Ball pen

Details Ball pen Ball pen

1999-07-08

2000-05-23

Holtje, Martie K.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 49, D19 55, D19 56, 1906

Patent

active

D04255593

REFERENCES:
patent: D359758 (1995-06-01), Inami
patent: D368738 (1996-04-01), Osada et al.
patent: D388825 (1998-01-01), Kouda
patent: D408057 (1999-04-01), Izushima
patent: D410952 (1999-06-01), Hadtke et al.
patent: 2569286 (1951-09-01), Bunker

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