Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Element or attachment
Patent
1992-06-30
1993-04-27
Holtje, Nelson C.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Element or attachment
D19 49, D19 56
Patent
active
D03351459
REFERENCES:
patent: D103387 (1937-03-01), Chesler
patent: D259792 (1981-07-01), Itoh et al.
patent: D284774 (1986-07-01), Ludvig et al.
patent: D305245 (1989-10-01), Chuang
patent: D323349 (1992-01-01), Gomez
patent: D327911 (1992-07-01), Paisson
Katami Kazunori
Suzuki Kazuhiko
Holtje Nelson C.
Thompson Martha
Tombow Pencil Co. Ltd.
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