Patents by Inventor Kenneth Cwirko

Kenneth Cwirko 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: D371934
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: July 23, 1996
    Inventor: Kenneth Cwirko