Pencil

Details Pencil Pencil

1987-09-14

1991-08-06

Dunkins, Bruce W.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 41, D19 56

Patent

active

D03188795

REFERENCES:
patent: D66797 (1925-03-01), Hasselquist
patent: D146335 (1947-02-01), Colomy
patent: D248863 (1978-08-01), Miyamoto
patent: D253595 (1979-12-01), Vong
patent: D286549 (1986-11-01), Erlendson
patent: D297020 (1988-08-01), Grossiord
patent: 2468258 (1949-04-01), Fahringer et al.
patent: 4518274 (1985-05-01), Hanngi
B. A. Pargh Company, Inc. 1985-86 Fall-Winter Catalog, see Pentel Writing Instrument R100 right center.

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