Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent
1991-06-03
1993-01-19
Holtje, Nelson C.
Office supplies; artists and teachers materials
Equipment for writing, drawing, or for fine arts
Marking instrument
D19 42, D19 51, D19 36, D 3 62
Patent
active
D03326250
REFERENCES:
patent: D10984 (1879-01-01), Aiken
patent: D11435 (1879-09-01), Fairchild
patent: D11737 (1880-04-01), Aiken
patent: D11806 (1880-06-01), Aiken
patent: D62720 (1923-07-01), Goldstein
patent: D182239 (1958-03-01), Lemon
patent: D186923 (1959-12-01), Williams
patent: D283516 (1986-04-01), Huang
patent: D300087 (1989-03-01), Henderson
patent: D301487 (1989-06-01), Audet
Gilden Leon
Holtje Nelson C.
Thompson Martha
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