Patents by Inventor Ronald Harrelson

Ronald Harrelson 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).

  • Panel lifting and positioning device
    Publication number: 20060062655
    Abstract: A panel lifting and positioning device for holding, lifting, and positioning sheet material such as, for example, drywall is disclosed. The device is portable, self-powered, and capable of lifting and positioning sheet material at virtually any height and angular orientation through the use of a pressure differential generator on the material-engaging head.
    Type: Application
    Filed: September 17, 2004
    Publication date: March 23, 2006
    Inventor: Ronald Harrelson