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SQUARETRADE INC
US4 patents
Top patents by PatentIndex Score
US6658394B1Dec 2, 2003
Electronic seals
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Certification and unique electronic seals for online entities
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US7092912B2Aug 15, 2006
Security for uniquely generated electronic seals of certification
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US7424457B2Sep 9, 2008
Managing an electronic seal of certification
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