Patents by Inventor Dallas Hemphill

Dallas Hemphill 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).

  • Automated door openers
    Publication number: 20060144529
    Abstract: A door opening apparatus adapted to couple with a door. The door opening apparatus includes a motor coupled to the door and operationally coupled to a drive wheel adapted to roll along the frame of a door.
    Type: Application
    Filed: January 4, 2005
    Publication date: July 6, 2006
    Inventor: Dallas Hemphill