Patents by Inventor Richard D Gruszynski

Richard D Gruszynski 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: D598327
    Type: Grant
    Filed: June 11, 2008
    Date of Patent: August 18, 2009
    Inventor: Richard D Gruszynski