Patents by Inventor Robert S. Jamison, III

Robert S. Jamison, III 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).

  • Retractable ramp
    Patent number: 7802337
    Abstract: A ramp assembly includes an elongated frame sized and shaped to extend between a first door and a second door aligned opposite each other on opposed sides of a vehicle; a first sectional ramp section having a first end and a second end; and a second sectional ramp having a first end and a second end. The first sectional ramp is slidably moveable along the frame from a stored position to a deployed position on either of the opposed sides of the vehicle. The second sectional ramp is positioned adjacent the first sectional ramp and is slidably moveable along the frame from a stored position to a deployed position on either of the opposed sides of the vehicle. The ramp assembly also includes a first locking mechanism coupled to the first end of each of the first sectional ramp and the second sectional ramp; and a second locking mechanism coupled to the second end of each of the first sectional ramp and the second sectional ramp.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: September 28, 2010
    Assignee: Marshall Elevator Company
    Inventors: Linda van Roosmalen, Francis S. Glogowski, David A. Heiner, Robert S. Jamison, III, Peter D. Horvath, Steven Walker
  • Retractable Ramp
    Publication number: 20090106918
    Abstract: A ramp assembly includes an elongated frame sized and shaped to extend between a first door and a second door aligned opposite each other on opposed sides of a vehicle; a first sectional ramp section having a first end and a second end; and a second sectional ramp having a first end and a second end. The first sectional ramp is slidably moveable along the frame from a stored position to a deployed position on either of the opposed sides of the vehicle. The second sectional ramp is positioned adjacent the first sectional ramp and is slidably moveable along the frame from a stored position to a deployed position on either of the opposed sides of the vehicle. The ramp assembly also includes a first locking mechanism coupled to the first end of each of the first sectional ramp and the second sectional ramp; and a second locking mechanism coupled to the second end of each of the first sectional ramp and the second sectional ramp.
    Type: Application
    Filed: October 30, 2007
    Publication date: April 30, 2009
    Inventors: Linda Van Roosmalen, Francis S. Glogowski, David A. Heiner, Robert S. Jamison, III, Peter D. Horvath, Steven Walker