Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Writing or drawing surface – e.g. – blackboard – drawing board,...
Patent
1999-08-13
2000-12-26
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 83, 1906
Patent
active
D04355938
REFERENCES:
patent: D165038 (1951-10-01), Windhorst
patent: D210946 (1968-05-01), Cook
patent: D413146 (1999-08-01), Moore
patent: 2109723 (1938-03-01), Gandrud
patent: 3034230 (1962-05-01), Windram
patent: 5131849 (1992-07-01), Perrero
patent: 5163845 (1992-11-01), Blassingame
Edwards Thomas M.
Hellwig John
Pearsons Errol Stafford
Verbeek Steven
Holtje Martie K.
Teknion Furniture Systems Limited
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