Patents by Inventor Lena Bartok

Lena Bartok has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5767655
    Abstract: A toy vehicle is operatively driven by an electric motor having a storage capacitor coupled in parallel therewith. The capacitor and motor are coupled to a pair of underside contacts on the toy vehicle for charging. The toy vehicle underside further includes an aperture and an elongated slot. A cooperating charger/launcher includes a vehicle receiving surface upon which a wheel pedestal is positioned between the area at the rear of the vehicle for raising the vehicle rear wheels. The charger/launcher further includes an interlock post received within the aperture formed on the vehicle undersurface and a safety rib received within the elongated slot of the vehicle. A pair of electrical contacts are positioned on each side of the protective rib and are coupled to a battery supply within the launcher for charging the vehicle capacitor. A pit-stop recharger includes a pivotable gate and pit area within which a second recharging apparatus is provided.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: June 16, 1998
    Assignee: Mattel, Inc.
    Inventors: Eric C. Ostendorff, Lena Bartok