Patents by Inventor Vaughn W. Keenan

Vaughn W. Keenan 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).

  • Optical scanner with floating load cell frame
    Patent number: 8365992
    Abstract: An optical scanner with a floating load cell frame. The optical scanner includes a plurality of planar load cells and a frame for tying the planar load cells together in order to counteract side loads and minimize corresponding spreading of the planar load cells. In one embodiment, the optical scanner includes four planar load cells and the floating frame includes two to four frame members that tie the planar load cells together.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: February 5, 2013
    Assignee: NCR Corporation
    Inventors: David L. Gregerson, Vaughn W. Keenan
  • OPTICAL SCANNER WITH FLOATING LOAD CELL FRAME
    Publication number: 20080151328
    Abstract: An optical scanner with a floating load cell frame. The optical scanner includes a plurality of planar load cells and a frame for tying the planar load cells together.
    Type: Application
    Filed: December 20, 2006
    Publication date: June 26, 2008
    Inventors: David L. Gregerson, Vaughn W. Keenan