Patents by Inventor Norm Ragland

Norm Ragland 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: 7849943
    Abstract: A towing device for aiding in maneuvering a trailer prior to attachment to or subsequent to detachment from its towing vehicle comprises a frame and other components. A hydrostatic trans-axle is laterally mounted on one end of the frame, a pair of drive wheels is mounted on the hydrostatic trans-axle, a caster wheel is mounted on the other end of the frame and an internal combustion engine is mounted on the frame and coupled to the drive wheels. A main handle is linked to the hydrostatic trans-axle for guiding the towing device. A control handle is mounted on the main handle and coupled to the trans-axle for controlling the direction of movement and speed of movement of the towing device. A neutral bypass lever is provided for disconnecting the internal combustion engine from the drive wheels when so desired and a braking mechanism is provided for braking the towing device.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: December 14, 2010
    Inventor: Norm Ragland