Patents Represented by Attorney, Agent or Law Firm Thomas K. Sawyer
  • Patent number: 6406047
    Abstract: A bicycle having a front and rear wheel geared capability. A bicycle having both front and rear wheel gear controlled and chain driven. A bicycle frame where the front and rear halves pivot on a vertical center section. A steering mechanism that is controlled by the front handlebar that rotates a gear that is meshed with notches on the front end of the steering cable assembly. A center double sprocket system that is connected to drive gears on the front and rear axles by a fixed bar with pivot capabilities, and are chain driven.
    Type: Grant
    Filed: September 27, 1999
    Date of Patent: June 18, 2002
    Inventor: Thomas Kidder Sawyer, Jr.