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Padlock with lockable shackle
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Patent number 6,578,887
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Issue date Jun 17, 2003
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Stoba AG
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Helmut Kienzler
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Tag with lockable shackle
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Patent number 6,398,273
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Issue date Jun 4, 2002
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Stoba AG
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Ortwin Aichmann
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Pull-through lead security seal
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Patent number 6,328,356
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Issue date Dec 11, 2001
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Stoba AG
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Ortwin Aichmann
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Manually lockable seal
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Patent number 5,337,503
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Issue date Aug 16, 1994
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Stoba AG
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Andre Goby
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Manually closable seal
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Patent number 4,361,351
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Issue date Nov 30, 1982
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Stoba AG
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Walter Spirig
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS