Postcard

Office supplies; artists and teachers materials – Paper or pasteboard for writing or printing

Patent

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Patent

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D03733823

REFERENCES:
patent: D125147 (1941-02-01), Bernhardt
patent: 901464 (1908-10-01), Ormstom
patent: 956916 (1910-05-01), Wiedersein, Jr.
patent: 3762630 (1973-10-01), Braznell
patent: 4167241 (1979-09-01), Zumbrunn
patent: 4312691 (1982-01-01), Rosenbloom, Jr. et al.
patent: 4531316 (1985-07-01), Farnum

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