Writing instrument

Details Writing instrument Writing instrument

1999-07-12

2000-12-26

Holtje, Martie K.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 56, D19 46, 1906

Patent

active

D0435592&

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patent: 3724961 (1973-04-01), Levoin
patent: 5186564 (1993-02-01), Fuhrmann, III et al.

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