Trade card services
AssigneeMicrosoft Corporation
InventorsTomasz Kasperkiewicz, Blaise Aguera y Arcas, Brett D. Brewer, Steven Drucker, Karim Farouki, Gary W. Flake, Stephen L. Lawler, Donald James Lindsay, Adam Sheppard, Richard Stephen Szeliski, Jeffrey Jon Weir, Julio Estrada
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