Office supplies; artists and teachers materials – Teaching material
Patent
1996-09-30
1997-11-25
Thompson, Martie
Office supplies; artists and teachers materials
Teaching material
D21 59, D21 34, D19 64, 1907
Patent
active
D03867897
REFERENCES:
patent: D223026 (1972-02-01), Rotkow
patent: D265216 (1982-06-01), Tammen
patent: D334777 (1993-04-01), Caravella
patent: 0957800 (1910-05-01), Richardson
patent: 3190655 (1965-06-01), Louie
patent: 5497991 (1996-03-01), Huang
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