Patents by Inventor Alex M. Walling

Alex M. Walling 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).

  • Patent number: 7328996
    Abstract: The invention relates to a sensor and ink-jet print-head assembly comprised in a housing for a hand-held and hand-operated printing device controlled by a processor, and a method therefore. It provides a control for navigation with coordinate systems and angles on a print medium that preferably is bigger than the assembly.
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: February 12, 2008
    Inventor: Alex M. Walling
  • Patent number: 7182456
    Abstract: A hand-held and/or hand-operated random movement printing device is controlled by at least one processor. The printing device provides a control to determine the position of an ink-jet print head assembly on a print medium. Specifically the assembly prints a pattern that it uses to determine its position.
    Type: Grant
    Filed: June 12, 2002
    Date of Patent: February 27, 2007
    Inventor: Alex M. Walling