Patents by Inventor Greg David Oswalt

Greg David Oswalt 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).

  • Hover craft air sled
    Patent number: D562731
    Type: Grant
    Filed: February 20, 2007
    Date of Patent: February 26, 2008
    Inventor: Greg David Oswalt
  • Portable receptacle extension
    Patent number: D489328
    Type: Grant
    Filed: May 22, 2003
    Date of Patent: May 4, 2004
    Inventor: Greg David Oswalt