Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Element or attachment
Patent
1986-11-26
1990-01-16
Holtje, Nelson C.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Element or attachment
D19 56
Patent
active
D03055523
REFERENCES:
patent: D260407 (1981-08-01), Itoh
patent: D261010 (1981-09-01), Itoh
patent: D271212 (1983-11-01), Itoh
patent: D277393 (1985-01-01), Oyabu
patent: 1662073 (1928-03-01), Mays
patent: 1923153 (1933-08-01), Lang
patent: 4365390 (1982-12-01), Kageyama et al.
Adams Bruce L.
Holtje Nelson C.
Pentel Kabushiki Kaisha
Thompson Martha
Wilks Van C.
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