Office supplies; artists and teachers materials – Paper or pasteboard for writing or printing – Envelope
Patent
1997-03-20
1999-01-05
Holtje, Martie K.
Office supplies; artists and teachers materials
Paper or pasteboard for writing or printing
Envelope
D19 3, 1901
Patent
active
D04037006
REFERENCES:
patent: D275688 (1984-09-01), Tsai
patent: 751247 (1904-02-01), Behrendt
patent: 2035218 (1936-03-01), Bloom
patent: 3194483 (1965-07-01), Alexandrou
patent: 3370782 (1968-02-01), Hickman
patent: 3394872 (1968-07-01), Robak
patent: 3848356 (1974-11-01), Wylie et al.
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