Multi-nibbed ball-point pen

Details Multi-nibbed ball-point pen Multi-nibbed ball-point pen

1990-08-09

1992-07-07

Walsh, Donald P.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Plural or combined

D19 41, D19 51, D19 56

Patent

active

D03277038

REFERENCES:
patent: D155613 (1949-10-01), Kahn
patent: D316726 (1991-05-01), Itoh
patent: D321720 (1991-11-01), Sakurada
patent: 2468258 (1949-04-01), Fahringer et al.
patent: 2561824 (1951-07-01), Schmieglitz
patent: 2676570 (1954-04-01), Fahringer
patent: 3170440 (1965-02-01), Levoin
patent: 3260242 (1966-07-01), Liguori
patent: 3262426 (1966-07-01), Bross
patent: 3750729 (1973-08-01), Lemieux
patent: 4283151 (1981-08-01), Sekiguchi

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