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Securtiy element
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Patent number 5,714,213
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Issue date Feb 3, 1998
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Landis & Gyr Betriebs AG
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Gregor Antes
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Security element
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Patent number 5,538,753
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Issue date Jul 23, 1996
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Landis & Gyr Betriebs AG
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Gregor Antes
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Apparatus for stacking sheets
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Patent number 5,139,149
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Issue date Aug 18, 1992
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Landis & Gyr Betriebs AG
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Andre Gerlier
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Ultraviolet-light photodiode
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Patent number 5,130,776
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Issue date Jul 14, 1992
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Landis & Gyr Betriebs AG
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Radivoje Popovic
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H01 - BASIC ELECTRIC ELEMENTS
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