Patents by Inventor Christopher Charles Callahan

Christopher Charles Callahan 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).

  • Scooter for a handicapped child
    Patent number: 8864171
    Abstract: A scooter, for a handicapped person, has a platform. A front wheel is steerably mounted at a front of the platform. A rear drive wheel is mounted at a back of the platform. A motor is connected to drive the drive wheel. There is a power source for the motor. A pair of protective skirts are mounted to the sides of the platform. A pair of casters are mounted below the platform, at the lateral edges of the platform. The casters are within the protective skirts. The casters are protected by the protective skirts.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: October 21, 2014
    Inventor: Christopher Charles Callahan