Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Writing or drawing surface – e.g. – blackboard – drawing board,...
Patent
1994-08-01
1995-07-04
Thopson, Martie
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, D19 78, D19 83, D21 59
Patent
active
D03599841
REFERENCES:
patent: D280997 (1985-10-01), Thomson et al.
patent: D282183 (1986-01-01), Shiraishi
patent: D336751 (1993-06-01), Mak
patent: D344975 (1994-03-01), Tarozzi
patent: D345177 (1994-03-01), Mak
patent: 3352616 (1967-11-01), Linger
patent: 4306868 (1981-12-01), Hankins
patent: 4801266 (1989-01-01), Kinberg
patent: 5163846 (1992-11-01), Lee
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