Multi-nibbed writing instrument

Details Multi-nibbed writing instrument Multi-nibbed writing instrument

1988-09-02

1991-12-24

Dunkins, Bruce W.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Plural or combined

D19 43, D19 51, D19 56, D19 57

Patent

active

D03226298

REFERENCES:
patent: D152717 (1949-02-01), Metzler
patent: D155613 (1949-10-01), Kahn
patent: D205645 (1966-08-01), Lovejoy
patent: 2624315 (1953-01-01), Weisser et al.
patent: 2676570 (1954-04-01), Fahringer
patent: 3079894 (1963-03-01), Johmann
patent: 3130712 (1964-04-01), Kahn et al.
patent: 3294068 (1966-12-01), Hechtle
patent: 3604816 (1971-09-01), Levoin
Special Gifts, 11/70, p. 77, See Multi-Color Pen, upper right corner.

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