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Tamper indicator for a locking seal
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Patent number 5,005,883
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Issue date Apr 9, 1991
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E. J. Brooks Company
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Richard S. Guiler
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Padlock-type security seal
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Patent number 4,893,853
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Issue date Jan 16, 1990
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E. J. Brooks Company
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Richard S. Guiler
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Security seal
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Patent number 4,588,218
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Issue date May 13, 1986
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E. J. Brooks Company
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Richard S. Guiler
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Lock assembly for enclosure cover
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Patent number 4,551,999
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Issue date Nov 12, 1985
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Fuji Electric Co., Ltd.
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Richard S. Guiler
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Meter clamping ring
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Patent number 4,446,603
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Issue date May 8, 1984
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E. J. Brooks Company
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Richard S. Guiler
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Ball type seal
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Patent number 4,424,995
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Issue date Jan 10, 1984
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E. J. Brooks Company
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Richard S. Guiler
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Security seal
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Patent number 4,326,740
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Issue date Apr 27, 1982
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E. J. Brooks Company
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Richard S. Guiler
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Seal
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Patent number 4,229,031
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Issue date Oct 21, 1980
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E. J. Brooks Company
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Richard S. Guiler
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS