Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7371178 | Card game system A card game system is disclosed, which enables to execute the card game using a basic function of a video game apparatus. The card game system includes a card acceptance means for accepting a plurality of cards of either a first category or a second category each ha... | 05/13/2008 |
| 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 |
| 7234701 | Riposte sword-fighting card game A card game designed to simulate movements and activities between two combatants. The object of the game is to force all the other players to lose their game points before the winner does. The game uses a unique set of playing cards each containing one of three poss... | 06/26/2007 |
| 7229720 | Hologram film having identification information recorded thereon and method for manufacturing the same A simplified method is provided for recording identification information, such as a serial number or the like, in a hologram-recorded film simultaneously with hologram duplication. The method includes the steps of coupling a hologram recording film with a master hol... | 06/12/2007 |
| 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 |
| 7156398 | Card game and deck for use therewith A game system including twenty-four cards, each respective card having respective top and bottom portions, each characterized by the following respective first and second suit-rank pairings: Ace of Spades and Nine of Hearts, King of Spades and Ten of Hearts . . . Ni... | 01/02/2007 |
| 7055823 | Cards The present invention relates to educational and entertaining playing cards. The cards may be used alone or in combination with other hardware game accessories, such as board games, or software game accessories, such as compact discs and the Internet. Unlike other p... | 06/06/2006 |
| 7044467 | Sentence forming game and its associated method of play A sentence forming board game and its associated method of play. The game apparatus utilizes a board that defines a plurality of spaces. Some of the spaces are identified as specialty spaces. Players are provided a plurality of playing pieces that have a word printe... | 05/16/2006 |
| 7017910 | Card game A game, including a plurality of Message Cards. In another aspect, a method of playing a card game, including providing a plurality of Message Cards to each player and each player in his or her turn providing one or more Message Cards from his or her hand to one or ... | 03/28/2006 |
| 7011309 | 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. A card deck reader automatically reads a symbol from each card in a deck of cards before a first one of the cards is removed. The... | 03/14/2006 |
| 6971649 | Zero-sum tiling game A zero-sum tiling game. A plurality of “domino-like” game pieces include indicia viewable on the top surfaces of the game pieces that correspond to one, or the other, or both of two halves of the game pieces. The indicia forms a binary set. The indicia associate... | 12/06/2005 |
| 6964612 | 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... | 11/15/2005 |
| 6949003 | Card interactive amusement device An amusement device has a body, wherein the body has features, at least one motor for powering the device and at least some of the features, and an information receiving structure for receiving information from an information carrying item that is separate or discre... | 09/27/2005 |
| 6905121 | Apparatus and method for selectively permitting and restricting play in a card game Play of a game is controlled using an indicator card. The indicator card is optionally the size and shape of a playing card and may include indicia thereon. The indicator card is inserted into a randomized stack of playing cards. From the top of the stack to the ind... | 06/14/2005 |
| 6145838 | Luminescent playing cards A set of playing cards is disclosed including a plurality of cards, wherein each card includes distinct indicia printed thereon such that a first image is revealed under lighted conditions and a second image is revealed under non-lighted conditions.... | 11/14/2000 |
| 5586764 | Card game set having block shaped tiles A novel card game set including a plurality of card game block-style tiles. Each tile bears traditional Western-style card indicia. Each tile is made of a plurality of individually laminated wood layers permanently prressed together to form a high gade pl... | 12/24/1996 |
| 5478085 | Magnetic domino set A magnetic domino set is disclosed comprising a set of dominoes magnetically attracted to a playing surface which, when folded, also serves as an attractive carrying case for the dominoes.... | 12/26/1995 |
| 5465975 | Dead hand card game and method of use A card game played with a dead hand comprising, a deck of cards, the deck being divided into four suits, indicia on the back side of each card representative of the fifteen cards in each suit, such back side indicia including stars, moons, rockets and com... | 11/14/1995 |
| 5310061 | Word-puzzle game cartridge A cartridge in a book format for accommodating two decks of word-puzzle playing cards. The cartridge includes a top plate and a like base plate simulating the front and rear covers of a book whose inner surfaces, when the book is closed, are then in paral... | 05/10/1994 |
| 5226665 | Antistick PVC playing-cards An antistick playing-card made from a sheet of polyvinyl chloride coated with a paint and embossed with stripes and raised portions on two opposite surfaces thereof by means of the operation of an embossed impression cylinder and through the radiation of ... | 07/13/1993 |
| 5169155 | Coded playing cards and other standardized documents An apparently conventional playing card is invisibly coded so that it can only be read face down, by an electro-optic reading means. The card may be of non-laminated conventional card stock which has a substantially white surface conventionally printed wi... | 12/08/1992 |
| 5067724 | Method of playing a poker game A method for playing a poker-type card game in which distributed cards by a dealer are sequentially bid by sequential players, wherein each bid is defined by a number of like cards held by each bidder or believed to be held by opposing players, whereupon ... | 11/26/1991 |
| 4861031 | Card wrestling game A competitive card wrestling game that simulates a competitive wrestling match. The game includes a plurality of images including a first portion of images representing wrestling "escape" maneuvers, a second portion of images representing wrestling "submi... | 08/29/1989 |
| 4681324 | Holographic game cards A deck of playing cards wherein part or all of the indicia indicating the value of each card is formed of a holographic image which is clearly viewable from one range of angles, such as angles at or near an axis perpendicular to the surface of each card, ... | 07/21/1987 |
| 4478417 | Holder for game pieces A holder assembly has strips of contact engaging material on the backs of the playing pieces and compatible strips of contact engaging strips on an obverse face of a piece holder adapted to rest upon a planar support. A hand grip protrudes from the revers... | 10/23/1984 |
| 4468037 | Card game using transparent playing cards with opaque indicia A card game containing a plurality of transparent playing cards. Each playing card has a like number of similarly located playing sections with one or more indicia located within the playing section. Guide means, such as a plurality of guide cards or a ta... | 08/28/1984 |
| 4447479 | Plastics sheet material and articles produced therefrom This invention relates to plastic sheet material, and in particular concerns the production of a plastics sheet material which has a wide range of uses, because of the properties thereof.... | 05/08/1984 |
| 4390183 | Small-size device for simulating a bridge game This device for simulating a bridge deal and the tricks accomplished during a a bridge game by means of movable blocks representing the hands and then the tricks comprises essentially a small game-board having cavities formed therein for receiving the mov... | 06/28/1983 |
| 4326709 | Fishing for cards game This invention relates to a fishing for cards game of skill which includes in combination a game board housing having a field of play upper surface member and a lower support surface member parallel to the upper surface. First side members are integrally ... | 04/27/1982 |
| 4249742 | Magnetic card game apparatus A playing board of hollow construction defining a shallow cavity receiving a plurality of playing cards each having magnetic characteristics with the cavity being separated into three concentric areas defined by concentrically spaced boundary walls with t... | 02/10/1981 |
| 4219200 | Device for automatically assembling tiles for the Mah-Jongg game A device for automatically assembling Mah-Jongg game tiles consists of a table having a plurality of apertures with hinged doors on the surface. A horizontally rotatable disc is centrally located within the interior of the table which cooperates with a sl... | 08/26/1980 |
| 4140320 | Card game A card game in which a plurality of cards are employed each having thereon a plurality of indicia locations arranged to form rows and columns. In each set of cards, two or more sets making up a deck, one card of the set has an opaque indicia at a location... | 02/20/1979 |
| 3999761 | Activity block and method of making same An activity block and method of making same, wherein the block includes a box-shaped body piece having windows therein and having a sheet visible through the windows and having a backing piece which snaps into the body piece for holding the sheet in the w... | 12/28/1976 |
