Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent
1997-08-12
1998-06-30
Thompson, Martie
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Marking instrument
D19 47, D19 55, D19 56, 1906
Patent
active
D03956741
REFERENCES:
patent: D260531 (1981-09-01), Della Beffa
patent: D312096 (1990-11-01), Vitrac
patent: D319845 (1991-09-01), Grotsch et al.
patent: D330046 (1992-10-01), Cuadrado
patent: D336491 (1993-06-01), Vitrac
patent: D345577 (1994-03-01), Hohner
patent: D361783 (1995-08-01), Wei
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