Patents by Inventor Robert E. Stupak

Robert E. Stupak 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: D669924
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: October 30, 2012
    Assignee: Schroeder Industries, LLC
    Inventors: Eric M. Lombardo, Robert E. Stupak, James Dennis Funk, Christopher B. Bortnik, Steven Evanovich, Benjamin Chan