...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 7294379 | Color changing device for time indicating label and methods of making and using the same The present invention relates to the present invention relates to a time indicating label comprising (a) a label substrate having a first and second surface, (b) an acid-base indicator composition, and (c) an activator composition, wherein one of (b) or (c) are on t... | 11/13/2007 |
| 7147556 | Games grid board A board is made of many grid points (1 and 2) arranged in a grid on a flat surface (6), and connected to a game manager (3) (a CPU+memory+software). Each grid point notifies the games manager when it is pressed, and the games manager can ... | 12/12/2006 |
| 7104541 | Strategy card game A game kit includes a set of cards placeable on a magnetically attracting playing surface and a set of point markers. The game is expandable and can include multiple players. The players randomly select a playing surface and decide the order of playing the game. The... | 09/12/2006 |
| 6581934 | Game apparatus The present invention is a game, as a board game or computer game, relating to visualization and completion of geometric shapes. Repeating geometric shapes appear on a game board. The geometric shapes share perimeter boundaries with other geometric shapes... | 06/24/2003 |
| 6474642 | Board game and method of playing the same A board game and method of playing the same for teaching strategy and providing entertainment. The board game and method of playing the same includes a game board having a top surface has game play space thereon. The game play space is divided into a plur... | 11/05/2002 |
| 6419228 | Multi-level, multi-difficulty, board game with circular symmetry The present invention provides a board game adaptable to one, two or three levels of play wherein the game board may be set correspondingly to one, two or three physical levels. The board is preferably round and accommodates two, three or four players. Ga... | 07/16/2002 |
| 6394455 | Board game with nesting pieces A board game comprises a board having sixteen squares arranged in four rows of four squares each. Each player receives twelve pieces arranged in three stacks of nested pieces, four pieces to a stack. The object of play is to occupy squares on the board fo... | 05/28/2002 |
| 6062561 | Method of playing a board game A new board game for providing an entertaining and challenging way for learning arithmetic facts is disclosed. The inventive game includes the steps of providing a game board having a plurality of playing spaces arranged in an equal number of rows and col... | 05/16/2000 |
| 5553854 | Game board game and method playing the game The present invention relates to a board game and method of playing the game. The game involves a strategic means for defining paths along the game board. The game board is preferably configured as 9×9 lines, creating 64 squares with a black cross piece ... | 09/10/1996 |
| 5344153 | Board game A board game comprises a game board in which a plurality of triangular spaces are defined, within the interior of a hexagon defined by three pairs of parallel sides, by a plurality of straight lines equidistantly spaced from each other and extending in pa... | 09/06/1994 |
| 4569528 | Dot game device A game device utilizing the old and well known concept of connecting adjacent dots of a matrix of dots by utilizing a connecting line formed by a player during his period of play. In this known type of game device, the matrix of dots is usually arranged p... | 02/11/1986 |
| 4550916 | Cube game of skill and chance Cube game of skill and chance in which players insert rod shaped playing piece through apertures on one face of a hollow cube. Long pieces protrude through opposing holes on the opposite playing surface and short pieces do not. Either playing pieces dislo... | 11/05/1985 |
| 4513973 | Electronic completing the square game A pocket-sized electronic board game is disclosed. The apparatus for playing the game comprises a casing which serves also as the playing surface, through which project a plurality of push-buttons for actuating the keys in selected positions. A membrane-t... | 04/30/1985 |
| 4436309 | Strategy card game A game including a game board having a base and pegs upstanding on the base arranged in columns and rows to define a grid of uniformly sized squares. A plurality of square cards each of which is divided into nine colored squares identical in size to the s... | 03/13/1984 |
| 4336941 | Method for playing a square forming game A method is provided for playing a square forming game wherein a plurality of dots are arranged in an array of rows and columns and the connecting lines to be drawn between adjacent dots by each of a plurality of players are determined both in direction a... | 06/29/1982 |
| 4277066 | Game apparatus Game apparatus including a board and playing cards in which the board forms a grid of squares with the four sides of each square being identified by a different color and with the colors so arranged that the same color is not employed to identify contiguo... | 07/07/1981 |
| 4260158 | Apparatus for board game A board game apparatus includes a pair of dice, each of the dice having a first, second and third indicia marked on the faces thereof. A board is divided into a plurality of object spaces, each of the object spaces having indicia marked thereon correspond... | 04/07/1981 |
| 3948524 | Game apparatus The game comprises a flat, generally square board divided into smaller squares, two classes of tokens for placement on the board including markers and bridges, and a deck of standard playing cards less queens, kings and jokers. The tokens are preferably c... | 04/06/1976 |