"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 7192328 | Toy for simulating character motion A method of simulating real-life motion of a character includes providing a toy having a plurality of interconnected links. The links are rotatably attached to one another and the character is attached to one of the links. The method also includes grasping the toy b... | 03/20/2007 |
| 7083557 | Stretching device A device to facilitate stretching before engaging in athletic activities, particularly golf, is disclosed. Two inverted U-shaped members are permanently affixed to the ground using mounting plates or any other potential means. One of the U-shaped members runs undern... | 08/01/2006 |
| 6997480 | Cord lock device for books and the like A cord lock device for releasably securing a hinged object in a closed position includes a first cord loop projecting from a first side of a hinged object and a second cord loop projecting from a second side of a hinged object, the first and second cord loops projec... | 02/14/2006 |
| 6679644 | Universal, inherently-tensile connection and construction system, apparatus, method and product-by-process A modular elongated element (1), an intramodule tensile device (11), a pair of securing and linking devices (12), and an intermodule connector device (13), interconnected using the devices and methods disclosed herein, are used to construct a virtually li... | 01/20/2004 |
| 5639090 | Geoboard with movable pins A geoboard has a board member with a plurality, advantageously four edges. An array of holes which is preferably in the form of a matrix, is provided in the board member for receiving slidably mounted push-up pins. Each push-up pin has upper and lower pos... | 06/17/1997 |
| 5322284 | Changeable configuration puzzle game The device utilizes a changeable-configuration geometric arrangement including a plurality of units, such as tetrahedrons, connected together at points by means of joints. The tetrahedrons can be equally divided into two different types of units that are ... | 06/21/1994 |
| 5302148 | Rotatable demountable blocks of several shapes on a central elastic anchor An educational toy that lets the user experiment with assembling components of different shapes in a variety of ways. The toy introduces new methods and means for assembling building blocks allowing the user to assemble them to one configuration and then ... | 04/12/1994 |
| 5299806 | Educational device An educational device having a chamber with a plurality of holes extending through the chamber. A plurality of ropes are selectively configured in the chamber and portions of the ropes are exposed outside the chamber. The ends of the exposed ropes are con... | 04/05/1994 |
| 5174570 | Image transformation puzzles An image transformation puzzle comprising a series of elements with image portions on respective front faces thereof successively linked together for incremental translational and rotational movement around a closed loop path between different positions i... | 12/29/1992 |
| 5120068 | Domino with folding portions to change indicia A domino game is provided wherein some of the domino pieces have rotatable or convertible end sections that thus permit player a choice as the symbol to be displayed when the game piece is played. Symbols are displayed on both sides of each game piece, an... | 06/09/1992 |
| 5108100 | Pyramid puzzle formed from tetrahedral and octaeder pieces connected by a strand The invention provides a puzzle embodied in a 3-sided regularly shaped pyramid comprising eleven smaller 3-sided pyramids and four small octaeder shaped bodies, which smaller pieces are connected to a string forming an endless chain. The complexity of the... | 04/28/1992 |
| 5046988 | Linked polyhedra with corner connector A transformable combination of linked polyhedra which includes a set of a plurality of objects each having at least first and second faces and a member for connecting adjacent objects in a manner which allows rotation of one object while an adjacent objec... | 09/10/1991 |
| 4957292 | Loop transfer game device A loop transfer game for transfer of a loop from one pin to the other while remaining looped around one of the pins. A device of the game is provided comprising a first pin mounted on a base member. A second pin connected to the first pin by a first annul... | 09/18/1990 |
| 4418915 | Puzzle of stacked segments A puzzle is shown having a stack of hollow segments that are joined together so that each segment is adapted to be turned about a longitudinal axis of the stack. Each hollow segment has certain side walls that include a hole formed therein, and some of th... | 12/06/1983 |
| 4391445 | Logical skill toy There is disclosed a logical toy in which a series of rigid hooks are fixed by legs about the perimeter of a disc. The legs are connected to the disc so that the annular closed part of each hook except the first in the series encloses the legs of the prec... | 07/05/1983 |
| 4221386 | Ring and loop puzzle A ring and loop puzzle having a pair of spaced vertically upstanding members affixed at their bottom to a common rigid base and at their top to an upper frame section having an aperture therein. To each of the rods are rigidly affixed a set of horizontall... | 09/09/1980 |
| 4026560 | Puzzle A puzzle includes a cubic polyhedron having integral posts projecting perpendicularly from the midpoint of each linear edge. A cord is wound serially about each post and back to a point of beginning with the restriction that at most two lengths of cord ma... | 05/31/1977 |
| 4015852 | Maze-type puzzle A puzzle includes a game board which is subdivided into a plurality of pre-designated areas. Each of the areas is bounded by an upstanding wall in which there is at least one opening. A plurality of string-like elements are connected at one end to first c... | 04/05/1977 |
| 3997168 | Ring and cord puzzle A ring and cord puzzle is provided having a rigid base formed with a plurality of upstanding posts and a plurality of rings articuately connected to respective ones of the posts and an elongated loop which is manipulated through the rings in working the p... | 12/14/1976 |
| 3958807 | Slotted-insert extraction puzzle A first base piece including a pair of spaced outwardly projecting abutments having free outer end portions with generally aligned openings formed therethrough is provided as well as a second elongated piece having one end portion thereof removably projec... | 05/25/1976 |