Magnetic base document holder

Office supplies; artists and teachers materials – Office equipment not elsewhere specified

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D19 90, 1902

Patent

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D04220250

REFERENCES:
patent: D258996 (1981-04-01), Costantino
patent: D302568 (1989-08-01), Berger
patent: D372937 (1996-08-01), Anders
patent: 2781566 (1957-02-01), Hammer
patent: 3225469 (1965-12-01), Chase
patent: 3290810 (1966-12-01), Morena
patent: 3408700 (1968-11-01), Chase
patent: 3827020 (1974-07-01), Okamoto
patent: 4287676 (1981-09-01), Weinhaus
patent: 5553363 (1996-09-01), Chen

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