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Brevets

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Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US41127078 sept. 197612 sept. 1978Jewelry article with radiometer therein
US42002911 avr. 197729 avr. 1980Bally Manufacturing CorporationDevice with hold and advance feature for the reels of a game machine
US420138924 mai 19796 mai 1980Word game
US45014222 déc. 198226 févr. 1985Apparatus for playing a game of skill
US483855220 juin 198813 juin 1989Sigma Enterprises, IncorporatedMultiline slot machine
US508530830 oct. 19894 févr. 1992EGAPRO Patent AGApparatus for collecting articles
US534604812 nov. 199313 sept. 1994Egapro A.G.Apparatus for collecting articles
US663455011 sept. 200021 oct. 2003Walker Digital, LLCGame presentation in a retail establishment
US692133714 sept. 199926 juil. 2005Vegas Amusement Inc.Video gaming device and communications system
US716861721 oct. 200330 janv. 2007Walker Digital, LLCGame presentation in a retail establishment
US739026430 août 200224 juin 2008Walker Digital, LLCMethod and system to incorporate game play into product transactions
US745558621 sept. 200425 nov. 2008IGTMethod and system for gaming and brand association
US753381030 janv. 200719 mai 2009Walker Digital, LLCGame presentation in a retail establishment
US77537723 oct. 200013 juil. 2010Walker Digital, LLCSystems and methods wherein a player indicates an item that may be received based on a game event outcome associated with the player
US784555519 mai 20097 déc. 2010Walker Digital, LLCGame presentation in a retail establishment
US799797212 nov. 200816 août 2011IGTMethod and system for gaming and brand association
US81094387 déc. 20107 févr. 2012Walker Digital, LLCGame presentation in a retail establishment
USRE342446 mars 199111 mai 1993Sigma Enterprises, Inc.Multiline slot machine

Dessins