Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent
1987-05-11
1990-05-22
Dunkins, Bruce W.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Marking instrument
D19 35, D19 41, D19 49
Patent
active
D03080757
REFERENCES:
patent: D268501 (1983-04-01), Krukel et al.
patent: D268935 (1983-05-01), Horntrich
patent: D295537 (1988-05-01), Davidson et al.
patent: D299470 (1989-01-01), Mock
Dunkins Bruce W.
Mitsubishi Pencil Co. Ltd.
Thompson Martha
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