Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Writing or drawing surface – e.g. – blackboard – drawing board,...
Patent
1999-01-25
2000-01-18
Holtje, Martie K.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Writing or drawing surface, e.g., blackboard, drawing board,...
D19 35, D21398, 1906
Patent
active
D04191900
REFERENCES:
patent: D359984 (1995-07-01), Mak
patent: D385857 (1997-11-01), Cohen et al.
patent: 491160 (1893-02-01), Cross
patent: 1041435 (1912-10-01), Cross
patent: 4669984 (1987-06-01), Jones et al.
patent: 5163846 (1992-11-01), Lee
Holtje Martie K.
Hop Lee Cheong Industrial Company Ltd.
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