Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Writing or drawing surface – e.g. – blackboard – drawing board,...
Patent
1997-07-10
1999-06-08
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,...
D6311, D19 65, D19 95, 1906
Patent
active
D04106830
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patent: D356832 (1995-03-01), Maxwell-Trumble et al.
patent: 4129671 (1978-12-01), Greenberg
Bethel George F.
Holtje Martie K.
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