Writing instrument

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument

Patent

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Details

D19 43, D19 51, D19 57, D19 55, 1906

Patent

active

D04176987

REFERENCES:
patent: D104646 (1937-05-01), Baff
patent: D329460 (1992-09-01), Rousseau
patent: D343196 (1994-01-01), Liguori
patent: D366063 (1996-01-01), Lanoie
patent: D368114 (1996-03-01), Hyvonen
patent: D369830 (1996-05-01), Hadtke
patent: D406166 (1999-02-01), Grannis

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