Patents by Inventor James Donald Gresko

James Donald Gresko 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).

  • Hand held magnifier
    Patent number: D702746
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: April 15, 2014
    Assignee: Bausch & Lomb Incorporated
    Inventor: James Donald Gresko