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Tamper indicating seal
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Patent number 8,186,731
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Issue date May 29, 2012
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Sandia Corporation
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Juan A. Romero
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Ball seal
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Patent number 4,950,007
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Issue date Aug 21, 1990
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E. J. Brooks Company
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Allan W. Swift
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Structure of sealing string
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Patent number 4,929,006
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Issue date May 29, 1990
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Wen-Her Tsay
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Snap lock assembly
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Patent number 4,802,699
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Issue date Feb 7, 1989
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Brammall, Inc.
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Gary I. Smith
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Security seal with rupturable wall
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Patent number 4,690,444
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Issue date Sep 1, 1987
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Envopak Group Limited
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Frank H. Arthur
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Shipping container seal
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Patent number 4,592,579
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Issue date Jun 3, 1986
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Ralph G. Burnett
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Keyless lockable security devices
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Patent number 4,280,726
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Issue date Jul 28, 1981
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Aardee Spring & Lock Company Limited
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John McCoag
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2942908
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Issue date Jun 28, 1960
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2869911
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Patent number 2,869,911
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2368613
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2350471
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Patent number 2,350,471
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Issue date Jun 6, 1944
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2343564
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Patent number 2,343,564
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Issue date Mar 7, 1944
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2327915
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Patent number 2,327,915
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Issue date Aug 24, 1943
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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1954342
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1702288
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1702853
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Patent number 1,702,853
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Issue date Feb 19, 1929
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1665424
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1536822
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1397101
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1393033
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1170140
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1162827
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1146462
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1132970
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS