Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Writing or drawing surface – e.g. – blackboard – drawing board,...
Patent
1987-11-02
1991-05-07
Dunkins, Bruce W.
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 88, D19 92, D19 95
Patent
active
D03167275
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patent: D282792 (1986-03-01), Zinbarg
patent: D308542 (1990-06-01), DeWitt
patent: 1491693 (1924-04-01), Graham
Dunkins Bruce W.
Ellis Garrettson
Thompson Martha
Vertiflex Company
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