Patents by Inventor Julian W. Hallmark

Julian W. Hallmark 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).

  • Electric slide step for recreational vehicle
    Patent number: 7878519
    Abstract: An electric slide step for a recreational vehicle assists users in entering and existing the vehicle. A step housing is mounted to the vehicle beneath the exterior door. The housing has steps that are movable on inclined slides between a retracted position when not in use and an extended position for assisting uses while entering and exiting the vehicle through the exterior door.
    Type: Grant
    Filed: March 1, 2006
    Date of Patent: February 1, 2011
    Inventor: Julian W. Hallmark