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 48, D19 43

Patent

active

D03689301

REFERENCES:
patent: D150320 (1948-07-01), Starr
patent: D282753 (1986-02-01), Le Blanc
patent: D324072 (1992-02-01), Von Edler et al.
patent: D327707 (1992-07-01), Katami
patent: D329461 (1992-09-01), Katami
patent: D339162 (1993-09-01), Verhaegue
patent: D349129 (1994-07-01), Linderson et al.
patent: D354514 (1995-01-01), de Baillon

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