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 51, D19 56, 1906

Patent

active

D03834948

REFERENCES:
patent: D286649 (1986-11-01), Hamel
patent: D323189 (1992-01-01), Tu
patent: D324067 (1992-02-01), Katami
patent: D330217 (1992-10-01), Booker
patent: D339378 (1993-09-01), Verhaegue
patent: D352311 (1994-11-01), Waldinger
patent: D355441 (1995-02-01), Rosenbaum
patent: D362020 (1995-09-01), Waldinger
patent: D362460 (1995-09-01), Young
patent: D364641 (1995-11-01), Osterhout
patent: D365364 (1995-12-01), Tseng
patent: D367887 (1996-03-01), Compte

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