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Security ink system
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Patent number 11,524,516
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Issue date Dec 13, 2022
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Gleitsmann Security Inks GmbH
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Tobias Fischer
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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887916
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Patent number 887,916
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Issue date May 19, 1908
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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799208
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Patent number 799,208
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Issue date Sep 12, 1905
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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775911
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Patent number 775,911
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Issue date Nov 29, 1904
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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741693
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Patent number 741,693
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Issue date Oct 20, 1903
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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426849
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Patent number 426,849
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Issue date Apr 29, 1890
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER