1
David P Chandler: Switch apparatus. Mattel, John G Mesaros, Max E Shirk, Ronald M Goldman, January 20, 1981: US04246452 (263 worldwide citation)

A switch apparatus having first and second surfaces with conductive pattern segments thereon in proximate spaced overlying relation, each of the patterns being generally identical and having a circular array of alternating solid and interleaved conductive portion, one pattern being movable toward th ...


2
Cynthia Woll, Lisa Strom, Alan Cusolito: Computer game and method of playing the same. Mattel, Kolisch Hartwell P C, September 2, 2003: US06612501 (127 worldwide citation)

A method of playing a computer game and the game itself, using a computer and a plurality of collectible trading cards that each has a unique code that is hidden under a removable coating. The game may be played by removing the coating from one of the trading cards and inputting the unique code on t ...


3
Keith A Hippely, Philip O Riehlman: Multiple configuration toy vehicle. Mattel, Roy A Ekstrand, May 10, 1994: US05310379 (109 worldwide citation)

A multiple configuration toy vehicle includes an elongated chassis supported by a plurality of wheels. A rear support is pivotally secured to the rear of the chassis. A creature includes a center body, a rear body and head. The head and rear body are pivotally secured to the center body. The rear bo ...


4
Chaun J Ralls, Andrew Cheeseman, Michael Young, Paul King, Peter Marx: Systems, methods, and devices for assisting play. Mattel, Kolisch Hartwell PC, December 11, 2012: US08332544 (84 worldwide citation)

Systems, methods, and computer program products for assisting play are disclosed. In some examples, the system may include a portable computer including a user interface configured to receive input from a user, and a computer communication mechanism configured to transmit computer data based, at lea ...


5
Jonathan Bradbury, Stephen Lister, Daniel Stelung: Video game systems. Mattel, Edell Shapiro & Finnan, February 8, 2011: US07883420 (82 worldwide citation)

Video game systems for executing instructions according to a video game contained on an item of first media including: an item of second media containing data defining an aspect of the video game; and a video game console including a housing, a first media device supported by the housing, a second m ...


6
Douglas Raymond J, Libby Edward W, Moquin Leonard R: Lean velocipede. Mattel, Shirk Max E, January 14, 1975: US3860264 (76 worldwide citation)

A velocipede having a front wheel assembly carrying a front wheel and a rear wheel assembly carrying a pair of co-axial rear wheels. The wheel assemblies are pivotally connected approximately midway between the axis of rotation of the front wheel and the axis of rotation of the pair of rear wheels b ...


7
Mary Ellen G Fosbenner, Truman John Gilbert, Robert J Henry, Joseph Leonelli, Peter Santaw, Howard Wodin: Magnetic cards having a layer being permanently magnetized in a fixed configuration. Mattel, Panitch Schwarze Jacobs & Nadel P C, September 7, 1999: US05949050 (71 worldwide citation)

Magnetic cards are formed by plural, coadjoining, generally planar, parallel layers. Outermost layers form outer sides of each card. At least a first visible image is provided on a first of the outer sides. The card includes a generally planar, permanently magnetized layer formed by one or more perm ...


8
William J Kelley, Janet L Unalp: Doll having accessory dispenser. Mattel, Roy A Ekstrand, January 11, 1994: US05277645 (69 worldwide citation)

A doll includes a plurality of attachment pads distributed over the doll surface each having one portion of a conventional fabric attachment structure such as a hook and loop attachment means. A plurality of ornaments such as simulated jewels include undersurfaces bearing cooperating attachment pads ...


9
Jorge Sanchez Castro, Robert Grzesek, Nicholas Amireh, Darin Barri: Toy vehicles and play sets with contactless identification. Mattel, Kolisch Hartwell P C, June 17, 2008: US07387559 (68 worldwide citation)

Toy vehicle sets may include a toy vehicle with an RFID transponder operable to produce an identification signal to identify the toy vehicle and an RFID reader configured to generate an electromagnetic field, detect an identification signal produced by an RFID transponder, and produce data represent ...


10
Ethan Wood: Electronic game system with character units. Mattel, Kolisch Hartwell PC, October 11, 2011: US08033901 (67 worldwide citation)

An electronic game system is provided. The system may include a base station operable to communicate with an electronic system and one or more character units operable to communicate with the base station. The one or more character units store data associated with one or more characters. The data ar ...