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3922743
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Patent number 3,922,743
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Issue date Dec 2, 1975
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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3915778
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Patent number 3,915,778
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Issue date Oct 28, 1975
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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3881204
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Patent number 3,881,204
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Issue date May 6, 1975
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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3742542
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Patent number 3,742,542
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Issue date Jul 3, 1973
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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3706107
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Patent number 3,706,107
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Issue date Dec 19, 1972
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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3326578
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Patent number 3,326,578
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Issue date Jun 20, 1967
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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2799029
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Patent number 2,799,029
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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2640207
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Patent number 2,640,207
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Issue date Jun 2, 1953
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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2145524
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Patent number 2,145,524
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Issue date Jan 31, 1939
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER