Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent
1987-06-10
1990-10-09
Dunkins, Bruce W.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Marking instrument
D19 51, D19 57
Patent
active
D03112110
REFERENCES:
patent: D184204 (1959-01-01), Allan
patent: D275542 (1984-09-01), Hacke
patent: D283516 (1986-04-01), Huang
patent: 874077 (1907-12-01), Huntley, Jr.
patent: 2094268 (1937-09-01), Friedman
patent: 2911950 (1959-11-01), Freeman
patent: 3804538 (1974-04-01), Rosa
patent: 4306819 (1981-12-01), Schusseler
Dunkins Bruce W.
McGuire Charles S.
Thompson Martha
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