Patents by Inventor Chuck Engle

Chuck Engle 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).

  • Electronic service procurement and invoicing system
    Publication number: 20070136190
    Abstract: This invention relates to a system and method for creating a novel electronic service procurement and invoicing system.
    Type: Application
    Filed: December 12, 2005
    Publication date: June 14, 2007
    Inventor: Chuck Engle