Writing instrument

Details Writing instrument Writing instrument

1977-08-22

1979-02-20

Stearman, Joel

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 43, D19 56, D1906

Patent

active

D02511231

REFERENCES:
patent: D177560 (1956-05-01), Engign et al.
patent: D188759 (1960-09-01), Sobel
patent: D228813 (1973-10-01), Wakai et al.
patent: D229110 (1976-11-01), Barcelloni
patent: D234471 (1975-03-01), Carre

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