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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 8172683 | Network gaming system A casino gaming system is disclosed that provides an opportunity to win a prize in response to game play, each game being played in exchange for monetary input. The gaming system includes a casino game server and a plurality of casino game units connected via a netw... | 05/08/2012 |
| 8118677 | Device identification The system provides the capability of identifying the presence and location of network devices. During start-up, a device sends its MAC address out on the network. A local switch collects MAC and IP addresses for the devices connected to it. Periodically, the switch... | 02/21/2012 |
| 8092307 | Network gaming system A gaming system is disclosed that provides an opportunity to win a prize in response to game play, each game being played in exchange for monetary input. The gaming system includes a game server and a plurality of game units connected via a network. The game server ... | 01/10/2012 |
| 8070605 | Multi-area progressive gaming system The system provides a control and management solution for linked gaming machines in a progressive game environment. The system can track multiple meters so that multiple progressive jackpots can be maintained for each game and/or for multiple participating business ... | 12/06/2011 |
| 8066566 | Reconfigurable gaming machine A gaming machine has at least one video screen, but preferably three. One screen displays a primary game and the other two screens preferably display pay tables, a secondary game, or artwork related to the primary and/or secondary game. The content of the video scre... | 11/29/2011 |
| 8064478 | Hybrid network system and method A hybrid network system and method is used for incrementally upgrading a gaming system from legacy equipment to broadband equipment while maintaining the capability to support the assets and functionality of both legacy gaming devices and networks and modern gaming ... | 11/22/2011 |
| 7942736 | Path or flow based bonus game The present invention is a player participatory bonus game intended for use in a gaming environment. After a primary game event triggers play of the bonus game, the player is presented with a game arena which shows start points, end points, and locations in between ... | 05/17/2011 |
| 7905784 | Method, apparatus and article for evaluating card games, such as blackjack Identifiers are read from playing cards collected after completion of at least one hand of a card game, such as blackjack, and the value of a hand is determined from the resulting sequence of read identifiers (i.e., ending sequence). The playing cards are collected ... | 03/15/2011 |
| 7905780 | User interface system and method An embedded user interface system 10 includes a web page display screen 20 and an embedded processor 30, and is incorporated into a gaming machine 40 that in turn includes a gaming presentation 50 and a gaming processor 60. ... | 03/15/2011 |
| 7753798 | Systems, methods, and devices for monitoring card games, such as baccarat Gaming systems, methods, and devices for determining or verifying the outcome of a card game, for example the card game of Baccarat. The systems, methods, and devices can be used in conjunction with the card game to enhance security by optically imaging the hands of... | 07/13/2010 |
| 7736236 | Method, apparatus and article for evaluating card games, such as blackjack A system reads an identifier from a hand of cards to identify the cards. For example, the system can read an identifier from a pair of cards forming the initial hand in blackjack, where the one card is face up and the other card is face down. The system determines t... | 06/15/2010 |
| 7404765 | Determining gaming information A method for determining wagers by applying a chip denomination representation, having at least one angle associated with at least one color transition, against a working chip template. A related system includes, but is not limited to, circuitry and/or programming f... | 07/29/2008 |
| 7338372 | Reconfigurable gaming machine A gaming machine has at least one video screen, but preferably three. One screen displays a primary game and the other two screens preferably display pay tables, a secondary game, or artwork related to the primary and/or secondary game. The content of the video scre... | 03/04/2008 |
| D560255 | Universal button module | 01/22/2008 |
| 7316615 | Method and apparatus for monitoring casinos and gaming A system automatically monitors playing and wagering of a game, including the gaming habits of players and the performance of employees at least partially by tracking the movement of chips bearing identifiers. A chip tray reader images the contents of a chip tray, w... | 01/08/2008 |
| D558277 | Universal button module | 12/25/2007 |
| D556268 | Universal button module | 11/27/2007 |
| D550300 | Universal button module | 09/04/2007 |
| D550299 | Universal button module | 09/04/2007 |
| D550298 | Universal button module | 09/04/2007 |
| D550297 | Universal button module | 09/04/2007 |
| D550304 | Universal button module | 09/04/2007 |
| D550305 | Universal button module | 09/04/2007 |
| D550302 | Universal button module | 09/04/2007 |
| D550303 | Universal button module | 09/04/2007 |
| D550301 | Universal button module | 09/04/2007 |
| 7222852 | Method, apparatus and article employing multiple machine-readable indicia on playing cards A stacked set of playing cards are supported to expose an information bearing portion bearing a first machine-readable indicia and an information bearing portion bearing a second machine-readable indicia, such that each of the first and second machine-readable indic... | 05/29/2007 |
| D543247 | Universal button module | 05/22/2007 |
| D539854 | Gaming machine | 04/03/2007 |
| 7108602 | Multi-reel slot machine with selectable reel play A reel spinning gaming device 10 includes a plurality of selectable reels 20 each having game symbols 30 located thereon, a selection system 40, and an actuating system 50. Each reel displays an outcome symbol 30 after havin... | 09/19/2006 |
| D525316 | Shaped top box for gaming machines | 07/18/2006 |
| D522589 | Shaped top box for gaming machines | 06/06/2006 |
| D521077 | Shaped top box for gaming machines | 05/16/2006 |
| D520074 | Shaped top box for gaming machines | 05/02/2006 |
| D520075 | Shaped top box for gaming machines | 05/02/2006 |
| D519572 | Shaped top box for gaming machines | 04/25/2006 |
| D519573 | Shaped top box for gaming machines | 04/25/2006 |
| D519574 | Shaped top box for gaming machines | 04/25/2006 |
| D519575 | Shaped top box for gaming machines | 04/25/2006 |
| D519576 | Shaped top box for gaming machines | 04/25/2006 |
