Patents by Inventor John Charles Porter

John Charles Porter 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: D536493
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: February 6, 2007
    Assignee: The Hoover Company
    Inventors: John Charles Porter, Kevin Earl Scheifele, Gilberto Cavada, Jr., Jean Ellen Kiple, Frank Thomas Poggio
  • Patent number: D536494
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: February 6, 2007
    Assignee: The Hoover Company
    Inventors: John Charles Porter, Kevin Earl Scheifele, Gilberto Cavada, Jr., Jean Ellen Kiple, Frank Thomas Poggio
  • Patent number: D536495
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: February 6, 2007
    Assignee: The Hoover Company
    Inventors: John Charles Porter, Kevin Earl Scheifele, Gilberto Cavana, Jr., Jean Ellen Kiple, Frank Thomas Poggio
  • Patent number: D537220
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: February 20, 2007
    Assignee: The Hoover Company
    Inventors: John Charles Porter, Kevin Earl Scheifele, Gilberto Cavada, Jr., Jean Ellen Kiple, Frank Thomas Poggio
  • Patent number: D538985
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: March 20, 2007
    Assignee: The Hoover Company
    Inventors: John Charles Porter, Kevin Earl Scheifele, Gilberto Cavada, Jr., Jean Ellen Kiple, Frank Thomas Poggio