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Trust tokens
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Patent number 7,627,895
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Issue date Dec 1, 2009
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British Telecommunications plc
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Maurice M Gifford
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G06 - COMPUTING CALCULATING COUNTING
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Security check provision
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Patent number 7,424,135
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Issue date Sep 9, 2008
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British Telecommunications, PLC
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Maurice M Gifford
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G06 - COMPUTING CALCULATING COUNTING
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Security check provision
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Patent number 6,907,135
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Issue date Jun 14, 2005
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British Telecommunications public limited company
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Maurice M Gifford
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G06 - COMPUTING CALCULATING COUNTING
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Security apparatus and method
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Patent number 6,549,118
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Issue date Apr 15, 2003
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British Telecommunications public limited company
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Christopher Henry Seal
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G06 - COMPUTING CALCULATING COUNTING
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Personal identification
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Patent number 6,333,988
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Issue date Dec 25, 2001
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British Telecommunications plc
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Christopher Henry Seal
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Personal identification
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Patent number 6,309,069
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Issue date Oct 30, 2001
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British Telecommunications public limited company
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Christopher H Seal
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE