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Article organizer
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Patent number 6,179,152
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Issue date Jan 30, 2001
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Paul Douglas Sarnowski
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Variable-visibility filing system
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Patent number 4,231,175
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Issue date Nov 4, 1980
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Baxter Associates, Inc.
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Kenneth W. Baxter
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Index file
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Patent number 3,966,050
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Issue date Jun 29, 1976
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Robert M. Dahl
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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1404388
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Patent number 1,404,388
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Issue date Jan 24, 1922
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER