Patents by Inventor Walter H. Frederick

Walter H. Frederick 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: D535205
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: January 16, 2007
    Inventors: Walter H. Frederick, Christina M. Miller
  • Patent number: D571249
    Type: Grant
    Filed: June 15, 2007
    Date of Patent: June 17, 2008
    Inventors: Walter H. Frederick, Christina M. Miller