Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent
1976-06-11
1978-01-10
Herrmann, Winifred E.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Marking instrument
D1906
Patent
active
D02469049
REFERENCES:
patent: D212981 (1968-12-01), Laybourne
patent: D238357 (1976-01-01), Di Carlo
patent: 2509837 (1950-05-01), Niizawa
patent: 3505700 (1970-04-01), Rodriguez
Herrmann Winifred E.
Pastoriza Ralph B.
Word George P.
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