Writing pen

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

Patent

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Details

D19 56, D19 48, D19 57, 1906

Patent

active

D04037065

REFERENCES:
patent: D317324 (1991-06-01), Chuang
patent: D329461 (1992-09-01), Katami
patent: D357276 (1995-04-01), Bruhn
patent: D376817 (1996-12-01), Boix Gacia
patent: D378761 (1997-04-01), Sekine
patent: D394877 (1998-06-01), Hsieh
patent: D395672 (1998-06-01), Navarro

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