Marking pen

Details Marking pen Marking pen

1986-01-23

1989-07-11

Ansher, B.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 51

Patent

active

D03021750

REFERENCES:
patent: D193918 (1962-10-01), Ayres
patent: D260657 (1981-09-01), Funahashi
patent: D268598 (1983-04-01), Mizutani et al.
patent: 4522523 (1985-06-01), Vogelsang
Shachihata Inc. Publication. Sep. 1969, p. 23, Long Lasting Felt Markers, middle right.
Adcon Inc., Catalogue, 1984, p. 70, Niji Giant Marker, top right of page.

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