Patents by Inventor Athol George Bradfield

Athol George Bradfield 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).

  • In-line skateboard
    Patent number: 6059303
    Abstract: A skateboard has a plurality of in-line wheels rotatably mounted on the front end of the board and rear wheels disposed on either side of the rear end of the board. The left and right rear wheels are mounted incurvate with respect to the board and the in-line wheels to provide incurvated rear wheel steering for the board. The board may have a resiliently flexible portion between the in-line and rear wheels. The in-line wheels may be supported between a pair of parallel lateral flanges or they may be supported on a single flange that splits each in-line wheel. The rear wheels may be mounted on a coil and leaf spring suspension, on a transverse shaft or in housings at the rear end of the board. The rear wheels may be tapered.
    Type: Grant
    Filed: October 23, 1998
    Date of Patent: May 9, 2000
    Inventor: Athol George Bradfield
  • In-line skateboard
    Patent number: 5826895
    Abstract: A skateboard has a plurality of in-line wheels rotatably mounted on the front end of the board and rear wheels disposed on either side of the rear end of the board. The board may have a resiliently flexible portion between the in-line and rear wheels. The in-line wheels may be supported between a pair of parallel lateral flanges or they may be supported on a single flange that splits each in-line wheel. The rear wheels may be mounted on a coil and leaf spring suspension, on a transverse shaft or in housings at the rear end of the board. The rear wheels may be tapered.
    Type: Grant
    Filed: October 22, 1997
    Date of Patent: October 27, 1998
    Inventor: Athol George Bradfield
  • In-line skateboard
    Patent number: 5707068
    Abstract: A skateboard has a plurality of in-line wheels rotatably mounted on the front end of the board and rear wheels disposed on either side of the rear end of the board. The board may have a resiliently flexible portion between the in-line and rear wheels. The in-line wheels may be supported between a pair of parallel lateral flanges or they may be supported on a single flange that splits each in-line wheel. The rear wheels may be mounted on a coil and leaf spring suspension, on a transverse shaft or in housings at the rear end of the board. The rear wheels may be tapered.
    Type: Grant
    Filed: November 21, 1995
    Date of Patent: January 13, 1998
    Inventor: Athol George Bradfield