Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 7367564 | Mathematics game and method A method for playing a mathematics game includes the steps of providing playing cards including a plurality of numeric cards, at least one operational card, and at least one equal sign card; constructing a numeric sentence framework; dealing a select number of the p... | 05/06/2008 |
| 7364431 | Educational game A multiplication game consisting of a perforated game board in which the assemblage of perforations forms a rectangular matrix. In a horizontal row of numerals printed on the rim of the board the numerals increase evenly in value from one end to the other end, and b... | 04/29/2008 |
| 7336788 | Electronic book secure communication with home subsystem The invention, an electronic book selection and delivery system, is a new way to distribute books and other textual information to bookstores, libraries and consumers. The primary components of the system are a subsystem for placing text in a video signal format and... | 02/26/2008 |
| 7300202 | Clock having a playing function A clock includes a main body having a lower space and provided with a protruding post extended into the lower space, a face plate mounted on the main body and formed with a plurality of holes, a tumbler mounted in the lower space of the main body and rested on the p... | 11/27/2007 |
| 7220126 | Educational mathematics game There is shown card game apparatus and method of play for use in educating children in basic mathematical concepts, the apparatus including a six-sided mathematical function indicator, such as a die, used in combination with two sets of cards, the function generator... | 05/22/2007 |
| 7104799 | Mathematics teaching tool A mathematics education apparatus comprises a base array. The base array includes a plurality of rows, with each row having ten receiving positions. The mathematics education device further comprises a plurality of number pieces that each correspond to a number, inc... | 09/12/2006 |
| 7097174 | Method and device for playing a game using remainder values The present invention relates to a method of playing a game in which a guess is made of a number value of a remainder. A total point value is determined from game pieces given to a player. A number value of a remainder is determined by dividing the total point value... | 08/29/2006 |
| 6972762 | System and method for interactive grouping of pie chart slices Described is a system and method for grouping elements whose data falls below a grouping threshold, and for displaying the grouped elements as a single portion of a graphical chart. Briefly stated, the system and method allow a user to dynamically increase a groupin... | 12/06/2005 |
| 6926530 | Game apparatuses and methods for use in teaching the addition and subtraction of positive and negative numbers A game apparatus and a method for assisting in teaching the addition and subtraction of positive and, especially, negative numbers, are based on the Null Theory of Adding and Subtracting Positive and Negative Numbers. The apparatus comprises (a) a plurality of posit... | 08/09/2005 |
| 6811402 | Method of playing a mathematical game A method of playing a mathematical game to calculate a target value includes generating the target value randomly, generating a plurality of calculating numbers to be used to calculate the target value, and calculating, by a first player, an initial solution that is... | 11/02/2004 |
| 6790118 | Block set for educational purposes The object of this invention is to provide a block set for educational purposes. The block set features that a plurality of block units of the same color are integrated so as to build a block bar, and two or more block bars respectively of different colors are cross... | 09/14/2004 |
| 6755658 | Game apparatuses and methods for use in teaching the addition, subtraction, multiplication, and division of positive and negative numbers Game apparatuses and methods for assisting in teaching the addition, subtraction, multiplication, and division of positive and, especially, negative numbers, are based on the Null Theory of Adding, Subtracting, Multiplying, and Dividing Positive and Negative Numbers... | 06/29/2004 |
| 6755655 | Electronic educational toy appliance and a portable memory device therefor An electronic toy appliance for use with interchangeable graspable objects such as blocks or tiles, the toy appliance designed to stimulate the development of a child's mind using audio feedback. ... | 06/29/2004 |
| 6729881 | Electronic educational toy appliance and a portable memory device therefor An electronic toy designed to stimulate the development of a child's mind using audio feedback, the toy comprising an object having a plurality of sides, the object adapted for lateral movement and rotational manipulation by a child on a substantially horizontal sur... | 05/04/2004 |
| 6619661 | Jigsaw puzzles for practicing arithmetic Jigsaw puzzles for use by young children to practice elementary arithmetic. Each puzzle is circular and includes a center piece, four middle ring question pieces, and twelve outer ring answer pieces. One side of each puzzle contains the arithmetic questio... | 09/16/2003 |
| 6575755 | Fraction circle A mathematical teaching aid includes a plurality of sectional pieces representing fractions of a circle. The pieces are preferably colored corresponding to respective fractions, wherein fraction pieces having a prime number denominator are of primary colo... | 06/10/2003 |
| 6575756 | Mathematical teaching apparatus A set of blocks used as an aid for teaching mathematical concepts, in which blocks of different sizes are provided with characteristic dimensions that bear a relationship to preselected numbers in the Fibonacci series. The Fibonacci series is defined as a... | 06/10/2003 |
| 6513708 | Mathematics teaching system A mathematics teaching system for visually and physically teaching a student how to perform multiplication and division calculations in a simple to understand format. The mathematics teaching system includes a housing having a plurality of apertures align... | 02/04/2003 |
| 6206701 | Mathematical teaching apparatus and method A mathematical teaching apparatus comprising block elements that fit inside a block element container. The block element container will not close until the proper number of block elements are inserted. For teaching counting and addition concepts for a num... | 03/27/2001 |
| 6116603 | Apparatus and method of playing a math capturing and recapturing game A multiplication capturing and recapturing game system is disclosed. The system comprises 2 equilateral-triangular game boards, a pair of eight-sided dice and 36 playing pieces. The game can be played by 2 to 4 players. Each player throws two dice to begi... | 09/12/2000 |
| 6065971 | Finger ring counting device A finger ring counting device enables persons to accurately count prayers while saying the Rosary. The counting device is embodied in a ring structure which can be inconspicuously worn on the hand, and on which there are a number of beads which are manual... | 05/23/2000 |
| 6062944 | Toy ball as teachware A toy ball as teachware includes a rubber ball body, a ball-shaped Velcro layer covering on the ball body, and a plurality of Velcro pieces written with letters, characters, symbols, figures, etc. on the outer surfaces to be stuck releasably on the ball-s... | 05/16/2000 |
| 5980258 | Mathematical teaching apparatus and method A mathematical teaching apparatus comprising block elements that fit inside a block element container. The block element container will not close until the proper number of block elements are inserted. For teaching counting and addition concepts for a num... | 11/09/1999 |
| 5967787 | Educational display with a clock and with numeral and date blocks accompanied by a base 10 mathematical apparatus The invention herein relates to a kind of teaching tool that allows children at play to perform simple addition, subtraction, multiplication and division arithmetical operations, learning decimal concepts and practices through experience and, furthermore,... | 10/19/1999 |
| 5927718 | Game apparatus A game apparatus utilizing a platform which is divided into a first section, having a first partition to define the same, a second section, having a second partition to define the same, and a third section having a third partition to define the same. The ... | 07/27/1999 |
| 5868577 | Factor blocks kit and method of use A factor blocks kit having a plurality of cubic, rectangular and triangular prisms and rectangular mats. These prisms have edges (sides) that measure either 1 unit or a 1-digit prime number of units in length. These prisms are scored with unit markings on... | 02/09/1999 |
| 5827067 | Method and apparatus for educating mathematical functions An apparatus comprises a first plurality of first numerical sequences, each numeral within each first numerical sequence being identified by a common indicia and each of the plurality of first numerical sequences having a different indicia; a second numer... | 10/27/1998 |
| 5823783 | Rotating pie graph: mathematics learning tool The present invention is directed to a system for demonstrating mathematic concepts, such as fractions and their equivalents. The system includes at least one device constituted by a pie chart sheet having a slot, and a rotating disk having a slit. The sl... | 10/20/1998 |
| 5749734 | Mathematical teaching apparatus A mathematical teaching apparatus comprising block elements having a front and back side, including indentations and protrusions to allow the blocks elements to stack. The block elements are inserted into a block element sleeve, which hold 10 stacked bloc... | 05/12/1998 |
| 5720615 | Educational device for aiding in the projection of views of an object An educational device for aiding in the projection of views of an object. The device includes a first half-hexahedron composed of a bottom panel, a first vertical panel and a second vertical panel. The panels are perpendicular to one another and together ... | 02/24/1998 |
| 5683252 | Multi-functional game and learning device The present invention relates to a multi-functional game and learning device. More particularly, the present invention relates to a multi-functional game and learning device which can be used as a general wood block stacking toy designed to educate and in... | 11/04/1997 |
| 5571019 | Apparatus and method for teaching concepts of mathematics A system for teaching the basic concepts of mathematics utilizing a ball or the like having situated thereon certain mathematical problems and solutions, each such problem having framed thereabout certain colored geometric symbols, the symbols indicating ... | 11/05/1996 |
| 5492325 | Math game device A game device has a flat, circular bottom wall with a plurality of ball-receiving wells formed in it and a transparent dome-shaped cover that captures a plurality of balls within the device. Some of the wells have a number shape, and each of those wells a... | 02/20/1996 |
| 5447433 | Learning system with interlocking hexagonal control structures A learning system is disclosed that comprises ordered pairs of interlocking cooperatively aligned hexagonal bosses and recesses having one or more peripherally disposed lobes as control structures to influence a user to connect or assemble articles or obj... | 09/05/1995 |
| 5385473 | Display polyhedra having marked and unmarked paired opposing faces A polyhedra for emulating an object or other phenomena with marked surfaces, includes a plurality of faces, some with markings and some being blank. The surfaces are arranged about the polyhedra so that each marked face is opposite a blank face. The polyh... | 01/31/1995 |
| 5338203 | Educational aid for mathematics Mathematics teaching aid for recognition of numerical and functional equivalents and spatial relationships having tiles (12, 14, 16) marked with numerals (12) , functions (14) , and equals (16) and a baseboard (10) with intersecting rows of spaces where t... | 08/16/1994 |
| 5297965 | Mathematical and spatial toy apparatus A mathematical and spatial toy apparatus is arranged to include a grooved rack board arranged to receive individual block components to teach children the mathematical cumulative effect of such boards to provide rudimentary teaching in mathematical and sp... | 03/29/1994 |
| 5281144 | Math facts game apparatus A matrix of discs each having a first end wall spaced from a second end wall, having a cavity therebetween, including a weighted portion to provide for the discs to sink within a body of water, such as a swimming pool. The first and second end walls inclu... | 01/25/1994 |
| 5238407 | Blocks with mating bosses and recesses which bulge for interference fit Base-ten blocks for teaching arithmetic to children, in which each block (19) has a projecting boss (27) with curved (bowed-out) sides (29) and an aperture (33) with straight sides (35), so that blocks (19) can be securely joined together to form multiple... | 08/24/1993 |
| 5238408 | Row of joined arithmetic blocks with common walls which are double end wall thickness Base-ten blocks for teaching arithmetic to children, in which each block (19) has a projecting boss (27) with curved (bowed-out) sides (29) and an aperture (33) with straight sides (35), so that blocks (19) can be securely joined together to form multiple... | 08/24/1993 |
