Patents by Inventor Mark L. Osborn

Mark L. Osborn 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).

  • Sorting tray
    Patent number: D538537
    Type: Grant
    Filed: April 23, 2004
    Date of Patent: March 20, 2007
    Assignee: The United States Postal Service
    Inventor: Mark L. Osborn