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User activity tracking system
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Issue date Apr 17, 2018
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Facebook, Inc.
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Juho Pennanen
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User activity tracking system
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Issue date Dec 27, 2016
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Facebook, Inc.
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Juho Pennanen
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User activity tracking system
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Patent number 9,118,725
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Issue date Aug 25, 2015
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Facebook, Inc.
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Juho Pennanen
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Culture of cells
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Patent number 8,703,488
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Issue date Apr 22, 2014
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Suomen Punainen Risti Veripalvelu
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Ulla Impola
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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