Patents by Inventor Mark Allan Ritz

Mark Allan Ritz 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: D503783
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: April 5, 2005
    Assignee: York International Corporation
    Inventors: Jeffrey Lee Tucker, Jeremiah Marshall Horn, Tony Michael Clark, Daniel James Arnold, Mark Allan Ritz, Jeffrey Norris Nichols, Douglas Jones Widenmann, Mickey Scott Smith
  • Patent number: D503784
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: April 5, 2005
    Assignee: York International Corporation
    Inventors: Jeffrey Lee Tucker, Jeremiah Marshall Horn, Tony Michael Clark, Daniel James Arnold, Mark Allan Ritz, Jeffrey Norris Nichols, Douglas Jones Widenmann, Mickey Scott Smith
  • Patent number: D513528
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: January 10, 2006
    Assignee: York International Corporation
    Inventors: Jeffrey Lee Tucker, Jeremiah Marshall Horn, Tony Michael Clark, Daniel James Arnold, Mark Allan Ritz, Jeffrey Norris Nichols, Douglas Jones Widenmann, Mickey Scott Smith