Patents by Inventor Dennis W. Ryboldt

Dennis W. Ryboldt 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: D605828
    Type: Grant
    Filed: May 14, 2009
    Date of Patent: December 15, 2009
    Assignee: Wm. Wrigley Jr. Company
    Inventors: Scott G. Brown, Dennis W. Ryboldt
  • Patent number: D616177
    Type: Grant
    Filed: May 14, 2009
    Date of Patent: May 25, 2010
    Assignee: Wm. Wrigley Jr. Company
    Inventors: Scott G. Brown, Dennis W. Ryboldt
  • Patent number: D617079
    Type: Grant
    Filed: May 14, 2009
    Date of Patent: June 8, 2010
    Assignee: Wm. Wrigley Jr. Company
    Inventors: Scott G. Brown, Dennis W. Ryboldt