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Magnetic page marker
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Patent number 7,066,494
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Issue date Jun 27, 2006
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NicolaĆ Javier Di Prinzio
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Magnetic note paper holder
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Patent number 6,390,434
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Issue date May 21, 2002
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Chin-Jen Tan
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Paper sheet holder
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Patent number 5,842,721
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Issue date Dec 1, 1998
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Yokoyama; Iwao
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Ryu Kawabe
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Magnetic clip device
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Patent number 4,255,837
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Issue date Mar 17, 1981
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Magnetoplan H. Jo. Holtz
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Herman Holtz
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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3719161
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Patent number 3,719,161
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Issue date Mar 6, 1973
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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3145326
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Patent number 3,145,326
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Issue date Aug 18, 1964
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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2693370
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Patent number 2,693,370
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Issue date Nov 2, 1954
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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2567279
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Patent number 2,567,279
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Issue date Sep 11, 1951
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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2497332
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Patent number 2,497,332
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Issue date Feb 14, 1950
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES