Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent
1987-02-25
1990-06-05
Dunkins, Bruce W.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Marking instrument
D19 41, D19 48, D19 58
Patent
active
D03083969
REFERENCES:
patent: D128390 (1941-07-01), Christenson, Jr.
patent: D166114 (1952-03-01), Lust
patent: D215768 (1969-10-01), Horie
patent: D216844 (1970-03-01), Shimada
patent: D269189 (1983-05-01), Sakaoka
Visual Systems Company, Inc., .COPYRGT.1985, p. 135, see Mars 777-15 Perpetual Pencil, upper right.
Dunkins Bruce W.
Pentel Kabushiki Kaisha
Thompson Martha
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