Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent
1983-10-05
1986-01-28
Word, George P.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Marking instrument
D19 56
Patent
active
D02823780
REFERENCES:
patent: D151664 (1948-11-01), Teague et al.
patent: D268501 (1983-04-01), Kruckel et al.
patent: D268935 (1983-05-01), Horntrich
patent: D269684 (1983-07-01), Luntz
patent: D271889 (1983-12-01), Kruckel et al.
patent: D273395 (1984-04-01), Wilkinson
Hasegawa Masayuki
Ohyabu Toshiharu
Shachihata Industry Co., Ltd.
Word George P.
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